I think that what the machines can do, of course, is wonderful, but it's not the same as what the brain can do.

If you want to have a program for moving out into the universe, you have to think in centuries not in decades.

Almost everything about the universe is astounding. I think the most amazing thing is how gifted we are - we are only monkeys who came down from the trees just recently. We have these amazing gifts of music and mathematics and painting and Olympic running.

Computer models of the climate....[are] a very dubious business if you don't have good inputs.

A good scientist is a person with original ideas. A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering.

Vegetation is really controlling what happens...whereas the emphasis in the climate models has always been on the atmosphere.

If women are doing a Ph.D., they have a conflict between raising a family or finishing the degree, which is just at the worst time - between the ages of 25 to 30 or whatever it is. It ruins the five years of their lives.