“All I know is that I do not know anything”

“Science is the father of knowledge, but opinion breeds ignorance.”

“We think in generalities but we live in detail.”

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

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

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

“All our knowledge has its origin in our perceptions”

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

“No man can reveal to you nothing but that which already lies half-asleep in the dawning of your knowledge.”

“Let the flesh instruct the mind.”

“It was easier to know it than to explain why I knew it.”

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