Such is professional jealousy; a scientist will never show any kindness for a theory which he did not start himself. There is no feeling of brotherhood among these people. Indeed, they always resent it when I call them brother. To show how far their ungenerosity can carry them, I will state that I offered to let Prof. H--y publish my great theory as his own discovery; I even begged him to do it; I even proposed to print it myself as his theory. Instead of thanking me, he said that if I tried to fasten that theory on him he would sue me for slander.

We Americans are the most lavish and showiest and most luxury loving people on the earth; and at our masthead we fly one true and honest symbol, the gaudiest flag the world has ever seen.

The difference between the right word and the almost right word is the difference between lightning and a lightning bug.

I am only human, although I regret it.

I cannot call to mind a single instance where I have ever been irreverent, except toward the things which were sacred to other people.

If you pick up a starving dog and make him prosperous he will not bite you. This is the principal difference between a dog and man.

Man is the only animal that is cruel. It kills just for the sake of it.