One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.

Better the hard truth, I say, than the comforting fantasy.

Your god is too small for my universe.

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

It is the tension between creativity and skepticism that has produced the stunning and unexpected findings of science.

A blade of grass is a commonplace on Earth; it would be a miracle on Mars. Our descendants on Mars will know the value of a patch of green. And if a blade of grass is priceless, what is the value of a human being?

Otherwise we don't run the government the government runs us