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

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

Every man of genius is considerably helped by being dead.

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

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

Most of us can remember a time when a birthday - especially if it was one's own - brightened the world as if a second sun has risen.