Man…who lives in three places – in the past, in the present, and in the future – can be unhappy if one of these three is worthless. Religion has even added a fourth – eternity.

Delight at having understood a very abstract and obscure system leads most people to believe in the truth of what it demonstrates.

Man…who lives in three places – in the past, in the present, and in the future – can be unhappy if one of these three is worthless. Religion has even added a fourth – eternity.

There can hardly be a stranger commodity in the world than books. Printed by people who don't understand them; sold by people who don't understand them; bound, criticized and read by people who don't understand them; and now even written by people who don't understand them.

A man of spirit must not think of the word difficulty as so much as existing. Away with it!

Nothing makes one old so quickly as the ever-present thought that one is growing older.

The fly that doesn't want to be swatted is most secure when it lights on the fly-swatter.