To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

We must live together as brothers or perish together as fools.

Learning and wisdom are superfluities, the surface glitter merely, but it is the heart that is the seat of all power.

Nothing is more intolerable than to have to admit to yourself your own errors.

A house divided against itself cannot stand.

I dream. Sometimes I think that's the only right thing to do.

The most courageous act is still to think for yourself. Aloud.

Everything excellent is as difficult as it is rare.

I don't know, I don't care, and it doesn't make any difference.

Strength does not come from physical capacity. It comes from an indomitable will.

The absent are never without fault, nor the present without excuse.

Sometimes you will never know the value of a moment until it becomes a memory.

Better beggar woman and single than Queen and married.

You are braver than you believe, stronger than you seem, and smarter than you think.

An intelligent hell would be better than a stupid paradise.

Science is organized knowledge. Wisdom is organized life.

What a man does for others, not what they do for him, gives him immortality.

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

Tact is the knack of making a point without making an enemy.

In any moment of decision, the best thing you can do is the right thing. The worst thing you can do is nothing.

If we can really understand the problem, the answer will come out of it, because the answer is not separate from the problem.