“Everything in excess is opposed to nature.”

“The only thing I know is that I know nothing, and i am no quite sure that i know that.”

“We think in generalities, but we live in detail. To make the past live, we must perceive it in detail in addition to thi...”

“For every fact there is an infinity of hypotheses.”

“But although all our knowledge begins with experience, it does not follow that it arises from experience.”

“We are as ignorant of the meaning of the dragon as we are of the meaning of the universe.”

“To be ignorant of the lives of the most celebrated men of antiquity is to continue in a state of childhood all our days.”

“All our knowledge has its origin in our perceptions”

“Share your knowledge. It is a way to achieve immortality.”

“Pain is the root of knowledge.”

“The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to delive...”

“Exactly!" said Deep Thought. "So once you do know what the question actually is, you'll know what the answer means.”