Wandering re-establishes the original harmony which once existed between man and the universe.

The fool doth think he is wise, but the wise man knows himself a fool.

The greatest virtue of man is perhaps curiosity.

The wonder is, not that the field of stars is so vast, but that man has measured it

He flattered himself on being a man without any prejudices; and this pretension itself is a very great prejudice

An education isn't how much you have committed to memory, or even how much you know. It's being able to differentiate between what you know and what you don't.