Empty space is a boiling, bubbling brew of virtual particles that pop in and out of existence in a time scale so short that you can't even measure them.

The lack of understanding of something is not evidence for God. It's evidence of a lack of understanding.

The purpose of education is not to validate ignorance but to overcome it.

I like to say that while antimatter may seem strange, it is strange in the sense that Belgians are strange. They are not really strange; it is just that one rarely meets them.

Without science, everything is a miracle.

As a scientist, I don't believe anything. Science shouldn't use the word belief. There are things more likely and less likely. Science can say nothing with absolute certainty.

[The writers of the holy books] did not even know the earth revolves around the sun. Why are we listening?

Forget Jesus. The stars died so that you could be here today.

Keeping religion immune from criticism is both unwarranted and dangerous.

Whatever the evolutionary basis of religion, the xenophobia it now generates is clearly maladaptive.

It is a shame when nonsense can substitute for fact with impunity.

By swap news do you mean drink?" "I do, and that excessively.

The one thing in me more powerful than a general misanthropy is an inescapable compassion for individuals.

We become increasingly aware that the human dream, the human drama, with all its questionable, damaging, and often malevolent intention is not real life at all.

The World will give you hopeless vanity, but what will you give the World?

I find Cambridge an asylum, in every sense of the word.

What's good for America better damn well be good for General Motors.

All necessary measures shall be taken to encourage and stimulate immigration of Jews into Palestine on a large scale.

No one is so thoroughly superstitious as the godless man. Life and death to him are haunted grounds, filled with goblin forms of vague and shadowy dread.

God lives, but not as we. His creatures live but to die. But God is life. Therefore, goodness is not an attribute. Goodness is God.

Everyone, he went on, speaks a language he does not understand, but which now and then is understood by others. That is enough to permit one to exist and at least to be misunderstood.