He who can, does. He who cannot, teaches.

I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students.

If a man could have half of his wishes, he would double his troubles.

They say a little knowledge is a dangerous thing, but it’s not one half so bad as a lot of ignorance.

Action speaks louder than words but not nearly as often.

First say to yourself what you would be; and then do what you have to do.

Ah, women. They make the highs higher and the lows more frequent.

Both the man of science and the man of action live always at the edge of mystery, surrounded by it.

You can always count on Americans to do the right thing – after they’ve tried everything else.

The man who has no imagination has no wings.

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

Great spirits have always encountered violent opposition from mediocre minds.

No man ever steps in the same river twice, for it’s not the same river and he’s not the same man.

Questions are never indiscreet, answers sometimes are.

I’d like to think I’m a great teacher.

When small men attempt great enterprises, they always end by reducing them to the level of their mediocrity.

The shortest answer is doing the thing.

Whatever is well said by another, is mine.

Men’s actions are too strong for them. Show me a man who has acted, and who has not been the victim and slave of his action.

Peace if possible, truth at all costs.

You can’t build a reputation on what you are going to do.

Fear cannot be without hope nor hope without fear.

Fools rush in where angels fear to tread.

A teacher who is not dogmatic is simply a teacher who is not teaching.

Politics is almost as exciting as war, and quite as dangerous. In war you can only be killed once, but in politics many times.

A minute of thought is greater than an hour of talk.

Whatever you do may seem insignificant to you, but it is most important that you do it.

Everything has beauty, but not everyone sees it.

The drawing teacher has this problem of communicating how to draw by osmosis and not by instruction, while the physics teacher has the problem of always teaching techniques, rather than the spirit, of how to go about solving physical problems.

I am a writer of books in retrospect. I talk in order to understand; I teach in order to learn.

Experience is the child of thought, and thought is the child of action.

We learn from experience that men never learn anything from experience.

Many men have been capable of doing a wise thing, more a cunning thing, but very few a generous thing.

We must act out passion before we can feel it.

If one way be better than another, that you may be sure is nature’s way.

When a man asks himself what is meant by action he proves that he isn’t a man of action. Action is a lack of balance. In order to act you must be somewhat insane. A reasonably sensible man is satisfied with thinking.

I only wish that ordinary people had an unlimited capacity for doing harm; then they might have an unlimited power for doing good.

A word is dead when it is said, some say. I say it just begins to live that day.

If this is coffee, please bring me some tea; but if this is tea, please bring me some coffee.

A child cannot be taught by anyone who despises him, and a child cannot afford to be fooled.

The Gates Foundation has learned that two questions can predict how much kids learn: ‚Does your teacher use class time well?‘ and, ‚When you’re confused, does your teacher help you get straightened out?‘

I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

Never pray for justice, because you might get some.

Take time to deliberate, but when the time for action has arrived, stop thinking and go in.

Talk that does not end in any kind of action is better suppressed altogether.

Act, and God will act.

I want you to panic. I want you to feel the fear I feel every day. And then I want you to act.

‚Speed‘ and ‚Point Break‘ were a lot of running and jumping, and then ‚The Matrix Trilogy‘ had a lot of fights and wire work and green screen elements.

Those who educate children well are more to be honored than they who produce them; for these only gave them life, those the art of living well.

There is nothing makes a man suspect much, more than to know little.

The most effective way to do it, is to do it.

Chaotic action is preferable to orderly inaction.

I’ve worked with children all my life.

That old law about ‚an eye for an eye‘ leaves everybody blind. The time is always right to do the right thing.

If we are to teach real peace in this world, and if we are to carry on a real war against war, we shall have to begin with the children.

Get your facts first, then you can distort them as you please.

Go to Heaven for the climate, Hell for the company.

The right man is the one who seizes the moment.

We should seek the greatest value of our action.

Oh, the difference between nearly right and exactly right.

Action expresses priorities.