Don't take the wrong side of an argument just because your opponent has taken the right side.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.

As I grow older, I pay less attention to what men say. I just watch what they do.

The secret of being a bore is to tell everything.

Jests that give pains are not jests.

No man for any considerable period can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

Quote me as saying I was mis-quoted.

We can work together for a better world with men and women of goodwill, those who radiate the intrinsic goodness of humankind.

There is not such a cradle of democracy upon the earth as the Free Public Library, this republic of letters, where neither rank, office, nor wealth receives the slightest consideration.

Usually when people are sad, they don't do anything. They just cry over their condition. But when they get angry, they bring about a change.

We are all worms, but I do believe that I am a glow-worm.

The poor are prevented from thinking by the discipline of others, the rich by their own.

How vain it is to sit down to write when you have not stood up to live.

I love deadlines. I like the whooshing sound they make as they fly by.

If from Society we learn to live Tis Solitude should teach us how to die; It hath no flatterers.

Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.

When you do things from your soul, you feel a river moving in you, a joy.

Boards don't hit back.

Tradition becomes our security, and when the mind is secure it is in decay.

Don't send me flowers when I'm dead. If you like me, send them while I'm alive.