Social action, just like physical action, is steered by perception.

Learning is more effective when it is an active rather than a passive process.

If you want truly to understand something, try to change it.

No research without action, no action without research.

A successful individual typically sets his next goal somewhat, but not too much, above his last achievement.

There is nothing so practical as a good theory.

Experience alone does not create knowledge.

When we are young we are like a flowing river - and then we freeze.

If you want to learn about an organization, try to change it.

Every psychological event depends upon the state of the person and at the same time on the environment, although their relative importance is different in different cases

A successful individual typically sets his next goal somewhat but not too much above his last achievement. In this way he steadily raises his level of aspiration.

You’re free to dream however you wish, ” Nollin teased. “But don’t ask the rest of us to share your unrealistic—”“Then don’t ask us to share your weakness!” Jason interrupted.

The Stoic assures us that what is happening now will happen over and over again. [If so, Providende would] ultimately grow weary through despair.

Kitchens should be designed around what's truly important-fun, food, and life.

An expert is a man who has stopped thinking. Why should he think? He is an expert.

The person upon whom the schoolboys' attention centred was, of course, the Headmaster.

Conceptually, we may call truth what we cannot change; metaphorically, it is the ground on which we stand and the sky that stretches above us.

I went to the premiere of The Detective with Sinatra, and perhaps people jumped to conclusions. He was very protective towards me and never came on to me sexually.

That is, to me at least, one of the most helpful and useful things books do for us: They are generous enough to allow us to choose what matters to us.

Coaching is nothing more than eliminating mistakes before you get fired.

Maybe Simon Cowell for his effect on music. I call him Slimy Cowpat.