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

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.

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

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

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.

Remember how many people want to see you losing? It is your duty to make sure that they keep waiting... forever!

When we start to understand God, we will be offended less and we will react less to negative circumstances

The secret of happiness is to admire without desiring.

Maybe when I get in the grave, things will be beautiful.

I knew I couldn't solve it. Because I couldn't figure out what made her drink when things were going well.

Every talent is unearned, however, and with it comes a solemn obligation to use it as fully and as wisely as possible.

Yeah, I've been interested in music since I was a teenager, always writing songs.

To hell with facts! We need stories.

Ultimate peace begins within; when we find peace within there will be no more conflict, nor more occasion for war.

In less than twenty-five years . . . the motor-car will be obsolete, because the aeroplane will run along the ground as well as fly over it.