Before impugning an opponent's motives, even when they legitimately may be impugned, answer his arguments.

Nonetheless, it still remains true that as a set of cognitive beliefs, religious doctrines constitute a speculative hypothesis of an extremely low order of probability.

The next time anyone asks you "What is Bertrand Russell's philosophy?" the correct answer is "What year, please?"

To serve the public interest is not the same as being a servant of public opinion.

The difference between science and religion is that the former wishes to get rid of mysteries whereas the latter worships them.

Russell's prose has been compared by T.S. Eliot to that of David Hume's. I would rank it higher, for it had more color, juice, and humor. But to be lucid, exciting and profound in the main body of one's work is a combination of virtues given to few philosophers. Bertrand Russell has achieved immortality by his philosophical writings.

To silence criticism is to silence freedom.