When you come to the end of all the light you know, and it's time to step into the darkness of the unknown, faith is knowing that one of two things shall happen: either you will be given something solid to stand on or you will be taught to fly.

Today's science is tomorrow's technology.

The extinction of the human race will come from its inability to EMOTIONALLY comprehend the exponential function.

There is a time for scientists and movie stars and those who have flown the atlantic to restrain their opinions lest they be taken more seriously than they should be.

U.S. has lost a battle more important and greater than Pearl Harbor.

Society's emissions of carbon dioxide may or may not turn out to have something significant to do with global warming-the jury is still out.

I am guilty of the great crime of optimism.