We can see nothing whatever of the soul unless it is visible in the expression of the countenance; one might call the faces at a large assembly of people a history of the human soul written in a kind of Chinese ideograms.

I have often noticed that when people come to understand a mathematical proposition in some other way than that of the ordinary demonstration, they promptly say, "Oh, I see. That's how it must be." This is a sign that they explain it to themselves from within their own system.

We are obliged to regard many of our original minds as crazy at least until we have become as clever as they are.

If an angel were to tell us about his philosophy, I believe many of his statements might well sound like '2 x 2= 13'.

Man can acquire accomplishments or he can become an animal, whichever he wants. God makes the animals, man makes himself.

A man of spirit must not think of the word difficulty as so much as existing. Away with it!

One of our forefathers must have read a forbidden book.