Scientists have odious manners, except when you prop up their theory; then you can borrow money off them.

...Man is a marvelous curiosity. When he is at his very very best he is a sort of low grade nickel-plated angel; at his worst he is unspeakable, unimaginable; and first and last and all the time he is a sarcasm. Yet he blandly and in all sincerity calls himself the 'noblest work of God.'

Well, my book is written-let it go. But if it were only to write over again there wouldn't be so many things left out. They burn in me; and they keep multiplying; but now they can't ever be said. And besides, they would require a library-and a pen warmed up in hell.

The proper office of a friend is to side with you when you are in the wrong. Nearly anybody will side with you when you are in the right.

A powerful agent is the right word. Whenever we come upon one of those intensely right words in a book or newspaper the resulting effect is physical as well as spiritual, and electrically prompt.

The less a man knows the bigger the noise he makes and the higher the salary he commands.

The man who does not read good books has no advantage over the man who cannot read them.