“Every sentence I utter must be understood not as an affirmation but as a question.[A caution he gives his students, to b...”

“We shall require a substantially new manner of thinking if mankind is to survive.”

“In a republican nation, whose citizens are to be led by reason and persuasion and not by force, the art of reasoning bec...”

“Reason respects the differences and imagination the similitudes of things.”

“If you can talk brilliantly about a problem it can create the consoling illusion that it has been mastered.”

“Theory-the seeing of patterns, showing the forest as well as the trees”

“The eye is diverted from the real business, it is caught by the spectacular action that means nothing--nothing at all.”

“Make a spurious division of one process into two, forget that you have done it, and then puzzle for centuries as to how...”

“[T]he vast majority of human beings are not interested in reason or satisfied with what it teaches.”

“The task of the real intellectual consists of analyzing illusions in order to discover their causes.”

“Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense...”

“Looking at small advantages prevents great affairs from being accomplished.”