I would be very ashamed of my civilization if we did not try to find out if there is life in outer space.

I am not an atheist. An atheist is someone who has compelling evidence that there is no Judeo-Christian-Islamic God. I am not that wise, but neither do I consider there to be anything approaching adequate evidence for such a god. Why are you in such a hurry to make up your mind? Why not simply wait until there is compelling evidence?

The cosmos is full beyond measure of elegant truths; of exquisite interrelationships; of the awesome machinery of nature.

All of the rocky and metallic material we stand on, the iron in our blood, the calcium in our teeth, the carbon in our genes were produced billions of years ago in the interior of a red giant star. We are made of star stuff.

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

Science is not only compatible with spirituality; it is a profound source of spirituality.

Books are key to understanding the world and participating in a democratic society.