I don't want to believe. I want to know.

I believe that in every person is a kind of circuit which resonates to intellectual discovery-and the idea is to make that resonance work

Cleverly designed experiments are the key.

Books permit us to voyage through time, to tap the wisdom of our ancestors.

The fact is that far more crime and child abuse has been committed by zealots in the name of God, Jesus and Mohammed than has ever been committed in the name of Satan. Many people don’t like that statement, but few can argue with it.

You can't convince a believer of anything; for their belief is not based on evidence, it's based on a deep seated need to believe

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