Only an inventor knows how to borrow, and every man is or should be an inventor.

Make the most of yourself, for that is all there is of you.

How often we must remember the art of the surgeon, which, in replacing the broken bone, contents itself with releasing the parts from false position; they fly into place by the action of the muscles. On this art of nature all our arts rely.

I always seem to suffer some loss of faith on entering cities.

Freedom has nothing to do with having the right to vote for your oppressor; freedom is not having any form of oppression.

It is better to be a thorn in the side of a friend than an echo.

In strict science, all persons underlie the same condition of an infinite remoteness. Shall we fear to cool our love by mining forthe metaphysical foundation of this elysian temple? Shall I not be as real as the things I see? If I am, I shall not fear to know them for what they are.