While moral rules may be propounded by authority the fact that these were so propounded would not validate them.

It appears, then, that ethics, as a branch of knowledge, is nothing more than a department of psychologyand sociology.

But if science may be said to be blind without philosophy, it is true also that philosophy is virtually empty without science.

We say that a sentence is factually significant to any given person, if, and only if, he knows how to verify the proposition which it purports to express.

If one takes full account of the persecution of heretics, the frequency and savagery of the religious wars which Christianity had endangered, the harm caused, especially to children, by the pernicious doctrine of original sin, a case could be made for saying that the world would have been better off without Christianity.

If the assertion that there is a god is nonsensical, then the atheist's assertion that there is no god is equally nonsensical, since it is only a significant proposition that can be significantly contradicted.

I saw a Divine Being. I'm afraid I'm going to have to revise all my various books and opinions.