The mob that hails the man on horseback, the Caesars and conquering heroes, does not retain its freedoms for long.

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

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

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.

To deny me the right to err is therefore to deny me the right to believe.

A liberal education will impart an awareness of the amazing and precious complexity of human relationships. Since those relationships are violated more often out of insensitiveness than out of deliberate intent, whatever increases sensitiveness of perception and understanding humanizes life.

Those who say that life is worth living at any cost have already written an epitaph of infamy, for there is no cause and no person that they will not betray to stay alive.