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April 10, 2026
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"At present ... the difference between an animal-experimenter's laboratory and a torture chamber is often imperceptible from his victims' point of view."
"One type of medical research involves ascertaining whether certain pathological conditions in humans can be alleviated or cured by certain drugs. Animals are used as "models" upon which to test these treatments. To do this it is necessary for the animal subject to have the condition in question, and in order to bring this about healthy animals are made sick. … It turns out, however, that the conditions artificially induced have little in common with the naturally occurring diseases in animals (when these exist) and much less in common with the diseases in man."
"Arguments to the effect that it is wrong to cause pain and suffering to animals are often rejected by claiming that animals simply do not suffer. … Ironically, it is precisely upon the assumption that animals do suffer from stress, fear, and pain in a manner similar to humans that the validity of much of animal experimentation rests. Few, if any, conditions are studied as widely in animals as are pain, stress, ulcers, fear, and anxiety."
"Sometimes captured from the great arboreal freedom of their jungle homes, monkeys are closely confined in cages only three or four feet square. … They can never sit or lie down on a flat, soft or yielding surface. Little wonder that by the time they are needed for the knife or the needle they are so crazed or inert that they are no longer representative examples of animal life. Psychologists who study the behaviour of thousands of such creatures annually, rarely make allowances for the fact that their pathetic subjects have been so deprived that they have become more like monsters than animals. Many people who have experienced close affectionate relationships with individuals of other species testify to the considerable potential for emotional and intellectual development that animals have. When properly cared for a pet dog or cat can develop great subtleties of behaviour that the laboratory animal never shows. Those who have been fortunate enough to closely observe unfrightened animals living in the wild are often struck by the complexity and richness of the life they lead. These positive pleasures the laboratory animal never knows; for him the same four white walls and the smell of disinfectant."
"Humans are currently the dominant species on earth and exercise a great deal of power and control over nature. But very few believe might makes right, so the fact that we have greater power cannot enter into a justification of our use and treatment of animals. Rather, where other beings are under our power, we should feel obligated to show self-restraint and to act out of mercy and compassion. We cannot avoid causing harm to other beings in the process of living our own lives. Nor does morality consist in trying to be perfect and pure. But we can adopt an orientation toward minimizing the amount of harm we cause and taking full responsibility for it, seeing it for what it is. To justify animal experimentation is to start at one end of a continuum. Much of what we do will be morally acceptable (in our eyes), and we will chip away at the extremity where what we do shades into cruelty. I no longer believe that a general moral justification of animal experimentation can be given."
"The victory of vivisection marks a great advance in the triumph of ruthless, non-moral utilitarianism over the old world of ethical law; a triumph in which we, as well as animals, are already the victims, and of which Dachau and Hiroshima mark the more recent achievements."
"The professional and financial interest in continuing animal experimentation helps to explain at least some resistance to the notion that animals have a complex emotional life and are capable of experiencing the higher emotions, such as love, compassion, altruism, disappointment and nostalgia. To acknowledge such a possibility implies certain moral obligations. If chimpanzees can experience loneliness and mental anguish, it becomes more wrong to use them for experiments in which they are isolated and anticipate daily pain."
"How fortunate we didn't have these animal tests in the 1940s, for would probably not have been granted a licence, and possibly the whole field of antibiotics might never have been realised."
"As the main work of civilisation has been the vindication of the rights of the weak, it is not too much, I think, to insist that the practice of Vivisection in which this tyranny of strength culminates is a retrograde step in the progress of our race—a backwater in the onward flowing stream of justice and mercy, no less portentous than deplorable."
"The love of a dog for his master is notorious; in the agony of death he has been known to caress his master, and every one has heard of the dog suffering under vivisection, who licked the hand of the operator; this man, unless he had a heart of stone, must have felt remorse to the last hour of his life."
"It is often said that if slaughterhouses were made of glass, most people would be vegetarians. If the general public knew what went on inside animal experimentation laboratories, they would be abolished. However, the parallel is not exact. Slaughterhouses are invisible because the public wants them that way. Everyone knows what goes on inside them; they simply do not want to be confronted with it. Most people do not know what goes on with animal experimentation. Slaughterhouses allow visits. Laboratories where animal experiments are performed are secretive. Perhaps those who conduct the experiments know they would be stopped if what they do were known even by other scientists. Perhaps they are ashamed."
"Libby had eaten her last meal the night before: orange, banana, monkey chow. While eating she had observed us with curiosity. Her hands resembled the hands of a newly born child, her face seemed almost human. Perhaps because of her eyes. They were so sad, so defenseless. We had called her Libby because Dr. Maurice Albin, the anesthetist, had told us she had no name, we could give her the name we liked best, and because she accepted it immediately. You said ‘Libby!’ and she jumped, then she leaned her head on her shoulder. Dr. Albin had also told us that Libby had been born in India and was almost three years, an age comparable to that of a seven-year-old girl. The rhesuses live 30 years and she was a rhesus. Prof. Robert White uses the rhesus because they are not expensive; they cost between $80 and $100. Chimpanzees, larger and easier to experiment with, cost up to $2,000 each. After the meal, a veterinarian had come, and with as much ceremony as they use for the condemned, he had checked to be sure Libby was in good health. It would be a difficult operation and her body should function as perfectly as a rocket going to the moon. A hundred times before, the experiment had ended in failure, and though Professor White became the first man in the entire history of medicine to succeed, the undertaking still bordered on science fiction. Libby was about to die in order to demonstrate that her brain could live isolated from her body and that, so isolated, it could still think."
"Nearly all modern techniques of social conditioning were first established with animal experiments. As were also the methods of so-called intelligence testing. Today behaviourists like Skinner imprison the very concept of man within the limits of what they conclude from their artificial tests with animals."
"There will come a time when the world will look back to modern vivisection in the name of science as they now do to burning at the stake in the name of religion."
"To hold vivisection to be never justified is a hard belief. But so is its opposite. I believe it is never justified because I can see nothing (except our being able to get away with it) which lets us pick on animals that would not equally let us pick on idiot humans (who would be more useful) or, for the matter of that, on a few humans of any sort whom we might sacrifice for the good of the many. If we do permit vivisection, here if anywhere we are under the most stringent minimum obligations. The very least we must make sure of is that no experiment is ever duplicated, or careless, or done for mere teaching's sake or as a substitute for thinking. Knowing how often, in every other sphere, pseudo-work proliferates in order to fill time and jobs, and how often activity substitutes for thought, and then reading the official statistics about vivisection, do you truly believe we do make sure?"
"In concluding these papers, I hope I may be permitted to offer a few words in favour of anatomy, as better adapted for discovery than experiment. … Experiments have never been the means of discovery; and a survey of what has been attempted of late years in physiology, will prove that the opening of living animals has done more to perpetuate error, than to confirm the just views taken from the study of anatomy and natural motions."
"Rats and mice are not generally regarded as pets, but as pests; they have few defenders. Yet the pain a rat or a mouse feels is every bit as real as that of any pet. In laboratories, they suffer, as anybody who has heard them moan, cry, whimper and even scream knows. The experimenters dissimulate about this by insisting that they are merely vocalising."
"I should be writing a third paper on the Nerves, but I cannot proceed without making some experiments, which are so unpleasant to make that I defer them. You may think me silly, but I cannot perfectly convince myself that I am authorised in nature, or religion, to do these cruelties—for what?—for anything else than a little egotism or self-aggrandisement; and yet, what are my experiments in comparison with those which are daily done? and are done daily for nothing."
"To what extent do we have a right to torture animals? … Experiments are torturing animals, let's say. That's what they are. So to what extent do we have a right to torture animals for our own good? I think that's not a trivial question."
"I dislike the whole business of experiments on animals, unless there's some very good and altogether exceptional reason in a particular case. The thing that gets me is that it's not possible for the animals to understand why they're being called upon to suffer. They don't suffer for their own good or benefit at all, and I often wonder how far it's for anyone's. They're given no choice, and there's no central authority responsible for deciding whether what's done in this case or that is morally justifiable. These experimental animals are just sentient objects; they're useful because they're able to react; sometimes precisely because they're able to feel fear and pain. And they're used as if they were electric light bulbs or boots. What it comes to is that whereas there used to be human and animal slaves, now there are just animal slaves. They have no legal rights, and no choice in the matter."
"Animals themselves cannot plead their cause, and those who plead it for them have no obvious financial or other selfish interest in the issue, although many may have “vested” their emotions in it. When we turn to special gain from maintaining existing practices, special loss if they were to be changed, we find a large number of groups whose views might be discounted. Butchers, furriers, hunters, cattlemen, chicken farmers, scientific experimenters on animals would, unless compensated, all have to suffer significant personal loss if we were to change our practices. They cannot therefore be expected to see the moral issue without the distortion of special interest. The scientists might claim that in their case their own interest coincides with a universal human interest, but I think the butcher and the furrier could make a similar claim[.]"
"Animals can not disapprove, but they can complain and protest, at least until their vocal chords are cut to spare experimenters their protests."
"Last year a Dutch animal breeding centre sent me two chimpanzees as a gift. I killed one and cut its heart out. The other wept bitterly and was inconsolable. The sad chimp has long since happily mated again and lives with lots of other animals on a pleasant game farm near Villiersdorp. I vowed never again to experiment with such sensitive creatures, but the memory of that weeping chimp has remained with me. It was taken for granted, of course, that he was weeping for his mate but I've since had some thoughts on the subject which made me wonder whether perhaps he was weeping for the human race. The idea is not as silly as it sounds. In our doings there is much to weep over and even a chimpanzee would never behave in some of the contradictory ways we think of as normal."
"It’s very easy, for instance, to cure Alzheimer’s in mice. But those things don’t translate to humans."
"When we buy new clothes not to keep ourselves warm but to look "well-dressed" we are not providing for any important need. We would not be sacrificing anything significant if we were to continue to wear our old clothes, and give the money to famine relief. By doing so, we would be preventing another person from starving. It follows from what I have said earlier that we ought to give money away, rather than spend it on clothes which we do not need to keep us warm. To do so is not charitable, or generous. Nor is it the kind of act which philosophers and theologians have called "supererogatory"—an act which it would be good to do, but not wrong not to do. On the contrary, we ought to give the money away, and it is wrong not to do so."
"Men must continue to condemn themselves not only for their failure to do what they could, but also for their failure to perform what they could not, for their denial of the absolute good whose categorical demands were laid upon their incapable will."
"You are perturbed over Christ's injunction in Matthew 5, "Do not resist evil, but make friends with your accuser; and if any one should take your coat, let him have your cloak as well." ... The sophists in the universities have also been perplexed by these texts. ... In order not to make heathen of the princes, they taught that Christ did not demand these things but merely offered them as advice or counsel to those who would be perfect. So Christ had to become a liar and be in error in order that the princes might come off with honor, for they could not exalt the princes without degrading Christ—wretched blind sophists that they are. And their poisonous error has spread thus to the whole world until everyone regards these teachings of Christ not as precepts binding on all Christians alike but as mere counsels for the perfect."
"Somebody brought teeth to the relationship. … Forty years ago, my life started again."
"You're everybody's best friend. You always make me laugh."
"It’s like if, like there was a big germ going around, and it was creating every one to be mad and angry and making them to do bad stuff."
"We decided to do the small things that we could, to the make the world a better place, so we created the Joygerm club, and the kindness campaigns."
"You know, t's always the same. I've clowned in 81 countries. People hunger for love, and clowning is a trick to get love close. As a clown I can do things that people are too frightened of Love to allow you to do."
"Anyone can do it — BE RADIANT! Make the decision. I want to be an agent of change to a loving world — so I will be radiant."
"We like to make sure she is treated fairly by everybody, because she needs to — and she deserves it."
"Daddy, there's a fire on one of the houses."
"If everyone could look past the physical appearance … this world would be a better place."
"That what its about — It's about Life — L - I - F - E — LIFE!"
"I want a family. Even if I had to live in a box."
"I woke up this morning and told Matt that Mom & Dad is coming today."
"Matt signed up to be an organ donor at the age of 16. That decision, and Ryan's heroism, helped save 60 other people who received donations from Matt."
"We don't see it as we are going to help her, we see it as she's going to help us with our lives."
"As a guide to engineering ethics, I should like to commend to you a liberal adaptation of the injunction contained in the oath of Hippocrates that the professional man do nothing that will harm his client. Since engineering is a profession which affects the material basis of everyone’s life, there is almost always an unconsulted third party involved in any contact between the engineer and those who employ him — and that is the country, the people as a whole. These, too, are the engineer’s clients, albeit involuntarily. Engineering ethics ought therefore to safeguard their interests most carefully. Knowing more about the public effects his work will have, the engineer ought to consider himself an “officer of the court” and keep the general interest always in mind."
"He was stiff and sometimes a little strange, which was what you’d expect from an engineer, but he had a moral backbone as inflexible as a fossilized dinosaur’s."
"Some aspects of engineering professionalism, such as (1) sensitivity to risk (2) awareness of the social context of technology, (3) respect for nature, and (4) commitment to the public good, cannot be adequately accounted for in terms of rules, certainly not negative rules. Virtue ethics is a more appropriate vehicle for expressing these aspects of engineering professionalism. Some of the unique features of virtue ethics are the greater place it gives for discretion and judgment and also for inner motivation and commitment."
"The scientific question is the logical hypothesis which from a known law further proceeds by analogy and induction, the answer gives the experiment, which is prescribed in the question itself."
"Play is experimenting with the accident."
"... in an experiment, there are sort of two kinds of exercises. In one, you might collect more data and bring down your s. In another, you have a concern, what we call a , and you check it, whether it exists at all or not."
"My view is that the contribution of human cells is going to be minimal, maybe 3 percent, maybe 5 percent. But what if they contributed to 100 percent of the brain? What if the embryo that develops is mostly human? It’s something that we don’t expect, but no one has done this experiment, so we can’t rule it out."
"To engage in experiments on heat was always one of my most agreeable employments."
"Each piece, or part, of the whole of nature is always merely an approximation to the complete truth, or the complete truth so far as we know it. In fact, everything we know is only some kind of approximation, because we know that we do not know all the laws as yet. Therefore, things must be learned only to be unlearned again or, more likely, to be corrected. … The test of all knowledge is experiment. Experiment is the sole judge of scientific “truth”."