"Meno: How will you look for something when you don't in the least know what it is? How on earth are you going to set …"

"I shouldn't like to take my oath on the whole story, but one thing I am ready to fight for as long I can, in word and…"

"We need to use every argument we can to fight against anyone who does away with knowledge, understanding and intellig…"

"Except I shall see in his hands the print of the nails, and put my finger into the print of the nails, and thrust my …"

"The doctrine of those who have denied that certainty could be attained at all, has some agreement with my way of proc…"

"During the nine subsequent years, I did nothing but roam from one place to another, desirous of being a spectator rat…"

"Scepticism is the first step towards truth."

"Through a vicious circle of pure reason skepsis itself becomes dogma."

"Even if my philosophy does not extend to discovering anything new, it does nevertheless possess the courage to regard…"

"History is replete with examples of what happens when any group of authorities do not have to answer to empirical evi…"