The prophesying business is like writing fugues; it is fatal to every one save the man of absolute genius.

In every woman's life there is one real and consuming love. But very few women guess which one it is.

The truth is that Christian theology, like every other theology, is not only opposed to the scientific spirit; it is also opposed to all other attempts at rational thinking.

Next to the semi-colon, quotation marks seem to be the chief butts of reformatory ardor.

The most satisfying and ecstatic faith is almost purely agnostic. It trusts absolutely without professing to know at all.

Moral certainty is always a sign of cultural inferiority. The more uncivilized the man, the surer he is that he knows precisely what is right and what is wrong.

Morality is nothing but a struggle for safety