It is for this reason that rationality is of supreme importance to the well-being of the human species...even more, in those less fortunate times in which it is despised and rejected as the vain dream of men who lack the virility to kill where they cannot agree.

And if there were a God, I think it very unlikely that He would have such an uneasy vanity as to be offended by those who doubt His existence

Can a society in which thought and technique are scientific persist for a long period, as, for example, ancient Egypt persisted, or does it necessarily contain within itself forces which must bring either decay or explosion?

Cruel men believe in a cruel god and use their belief to excuse their cruelty. Only kindly men believe in a kindly god, and they would be kindly in any case.

Suppose atomic bombs had reduced the population of the world to one brother and sister; should they let the human race die out?

If everything has a cause, then God must have a cause. If there can be anything without a cause, it may just be the world as God.

Love is a slippery eel that bites like hell