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

Knowing is not enough, we must apply. Willing is not enough, we must do.

Whatever it is you're seeking won't come in the form you're expecting.

Most of us have far more courage than we ever dreamed possible

One must wait until the evening to see how splendid the day has been.

Tis very certain the desire of life prolongs it.

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

If we don't believe in freedom of expression for people we despise, we don't believe in it at all.

The only real mistake is the one from which we learn nothing.

Chaos is a name for any order that produces confusion in our minds.

The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.

I think about the meaning of pain. Pain is personal. It really belongs to the one feeling it. Probably the only thing that is your own. I like mine.

A person who spends more than he earns is a fool

If you are a parent, open doors to unknown directions to the child so he can explore. Don't make him afraid of the unknown,give him support.

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

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence

Almost every wise saying has an opposite one, no less wise, to balance it.

The simple things are also the most extraordinary things, and only the wise can see them.

No one cares how much you know, until they know how much you care

Everybody is ignorant, only on different subjects.

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