One must shy away from questionable undertakings, even when they bear a high-sounding name.

It is certainly true that principles cannot be more securely founded than on experience and consciously clear thinking.

I cannot imagine a God who rewards and punishes the objects of his creation and is but a reflection of human frailty.

Mozart's music is so pure and beautiful that I see it as a reflection of the inner beauty of the universe.

There is nothing divine about morality, it is a purely human affair.

If we knew what it was we were doing, it would not be called research, would it?

I do not believe in the God of theology who rewards good and punishes evil.