Nothing is more beautiful than the loveliness of the woods before sunrise.

No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it.

Let us rejoice at the many unexplored fields in which there is unlimited fame and fortune to the successful explorer . . .

One reason I never patent my products is that if I did it would take so much time, I would get nothing else done. But mainly I don't want my discoveries to benefit specific favored persons.

Learn to do common things uncommonly well; we must always keep in mind that anything that helps fill the dinner pail is valuable.

I wanted to know the name of every stone and flower and insect and bird and beast. I wanted to know where it got its color, where it got its life - but there was no one to tell me.

There are two ways, one is right; the other is wrong. If your work is only about right, then it is wrong.