Moral progress has consisted in the main of protest against cruel customs, and of attempts to enlarge human sympathy.

A man who has once perceived, however temporarily and however briefly, what makes greatness of soul, can no longer be happy if he allows himself to be petty, self-seeking, troubled by trivial misfortunes, dreading what fate may have in store for him. The man capable of greatness of soul will open wide the windows of his mind, letting the winds blow freely upon it from every portion of the universe.

Frege has the merit of ... finding a third assertion by recognising the world of logic which is neither mental nor physical.

The teaching of Christ, as it appears in the Gospels, has had extraordinarily little to do with the ethics of Christians.

There are infinite possibilities of error, and more cranks take up fashionable untruths than unfashionable truths.

Sir Arthur Eddington deduces religion from the fact that atoms do not obey the laws of mathematics. Sir James Jeans deduces it from the fact that they do.

I think it would be just to say the most essential characteristic of mind is memory, using this word in its broadest sense to include every influence of past experience on present reactions.