Asking a question is the simplest way of focusing thinking...asking the right question may be the most important part of thinking.

Everywhere I go, I see very much the same thing. I see the same compassion for people who live half a world away. I see the same concern about events beyond these borders. And, increasingly, I see the same conviction that we can and we must join together to stop the scourge of AIDS and poverty.

It's not enough to rage against the lie.. you've got to replace it with the truth.

Creativity gives the possibility of some sort of achievement to everyone.

What the joke displays is a switch in perception. This is important in changing the way we think.

The purpose of science is not to analyze or describe but to make useful models of the world. A model is useful if it allows us to get use out of it.

The purpose of art is to reflect new emerging values and to define the new heroes and heroines so that people can absorb them into their perceptions.