Whenever you find yourself getting angry about a difference of opinion, be on your guard; you will probably find, on examination, that your belief is going beyond what the evidence warrants.

The problem with the wise is they are so filled with doubts while the dull are so certain.

We shall say that we have acquaintance with anything of which we are directly aware, without the intermediary of any process of inference of any knowledge of truths.

Ants and savages put strangers to death.

Religion may in most of its forms be defined as the belief that the gods are on the side of the government.

Obscenity is whatever happens to shock some elderly and ignorant magistrate.

In regard to the past, where contemplation is not obscured by desire and the need for action, we see, more clearly than in the lives about us, the value for good and evil, of the aims men have pursued and the means they have adopted. It is good, from time to time, to view the present as already past, and to examine what elements it contains that will add to the world's store of permanent possessions, that will live and give life when we and all our generation have perished.