Modern Darwinism makes it abundantly clear that many less ruthless traits, some not always admired by robber barons and Fuhrers - altruism, general intelligence, compassion - may be the key to survival.

I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students.

If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.

How lucky we are to live in this time / the first moment in human history / when we are in fact visiting other worlds

First rule in government spending: why build one when you can have two at twice the price?

Except for children (who don't know enough not to ask the important questions), few of us spendtime wondering why nature is the way it is . . .

We are the universe experiencing itself.