There is something feeble and a little contemptible about a man who cannot face the perils of life without the help of comfortable myths.

For the learning of every virtue there is an appropriate discipline, and for the learning of suspended judgment the best discipline is philosophy.

Science does not aim at establishing immutable truths and eternal dogmas; its aim is to approach the truth by successive approximations, without claiming that at any stage final and complete accuracy has been achieved.

I am as firmly convinced that religions do harm as I am that they are untrue.

I don't like the spirit of socialism - I think freedom is the basis of everything.

When a man tells you that he knows the exact truth about anything you are safe in inferring that he is an inexact man.

The Mormons had a divine revelation in favour of polygamy, but under pressure from the United States Government they discovered that the revelation was not binding.