Prayers are to men as dolls are to children. They are not without use and comfort, but it is not easy to take them very seriously.

A definition is the enclosing a wilderness of idea within a wall of words.

The extremes of vice and virtue are alike detestable, and absolute virtue is as sure to kill a man as absolute vice is.

In practice it is seldom very hard to do one's duty when one knows what it is, but it is sometimes extremely difficult to find this out.

There is a photographer in every bush, going about like a roaring lion seeking whom he may devour.

It is death, and not what comes after death, that men are generally afraid of.

When people talk of atoms obeying fixed laws, they are either ascribing some kind of intelligence and free will to atoms or they are talking nonsense. There is no obedience unless there is at any rate a potentiality of disobeying.