"Perhaps our ultimate understanding of scientific topics is measured in terms of our ability to generate metaphoric pi…"

"History including that of evolution is just "one damned thing after another We can explain in hindsight what has happ…"

"You don’t get rich from doing physics but you do get an opportunity to go to all the places the rich would go to if t…"

"The constant questioning of our values and achievements is a challenge without which neither science nor society can …"

"We are all agreed that your theory is crazy. The question that divides us is whether it is crazy enough to have a cha…"

"Physics is to be regarded not so much as the study of something a priori given, but rather as the development of meth…"

"Every valuable human being must be a radical and a rebel, for what he must aim at is to make things better than they …"

"How wonderful that we have met with a paradox. Now we have some hope of making progress."

"Two sorts of truth: profound truths recognized by the fact that the opposite is also a profound truth, in contrast to…"

"Every sentence I utter must be understood not as an affirmation, but as a question."