You teach me, I forget. You show me, I remember. You involve me, I understand.

The price of these failures has been a loss of moral consensus, a greater sense of helplessness about the human condition. ... The intellectual solution to the first dilemma can be achieved by a deeper and more courageous examination of human nature that combines the findings of biology with those of the social sciences.

Genius is the summed production of the many with the names of the few attached for easy recall.

I think we will make it. Because one quality people have - certainly Americans have it - is that they can adapt when they see necessity staring them in the face. What to avoid is what someone once called the definition of hell: truth realized too late.

Perhaps the time has come to cease calling it the 'environmentalist' view, as though it were a lobbying effort outside the mainstream of human activity, and to start calling it the real-world view.

Thirty trillion dollars worth of services, scot-free to humanity, every year.

The great paradox of determinism and free will, which has held the attention of the wisest of philosophers and psychologists for generations, can be phrased in more biological terms as follows: If our genes are inherited, and our environment is a train of physical events set in motion before we were born, how can there be a truly independent agent within the brain? The agent itself is created by the interaction of the genes and the environment. It would appear that our freedom is only a self delusion.