Cut quarrels out of literature, and you will have very little history or drama or fiction or epic poetry left.

One of the greatest joys known to man is to take a flight into ignorance in search of knowledge.

I sometimes suspect that half our difficulties are imaginary and that if we kept quiet about them they would disappear.

Knowledge is power only if man knows what facts not to bother with.

Any of us can achieve virtue, if by virtue we merely mean the avoidance of the vices that do not attract us.

Friendship will not stand the strain of very much good advice for very long.

Every man of genius is considerably helped by being dead.