A theory of motivation is defective if it renders intelligible behaviour which is not intelligible.

It isn't just that I don't believe in God, and naturally, hope there is no God. I don't want there to be a God; I don't want the universe to be like that.

equally real at all stages of his life; specifically, the fact that a particular stage is present cannot be regarded as conferring on it any special status.

Once we see an aspect of what we or someone else does as something that happens, we lose our grip on the idea that it has been done and that we can judge the doer and not just the happening.

Humans are addicted to the hope for a final reckoning, but intellectual humility requires that we resist the temptation to assume that tools of the kind we now have are in principle sufficient to understand the universe as a whole.

Philosophy is the childhood of the intellect, and a culture that tries to skip it will never grow up.

Any reductionist program has to be based on an analysis of what is to be reduced. If the analysis leaves something out, the problem will be falsely posed.