As long as you’re going to be thinking anyway, think big.

Formal education will make you a living. Self education will make you a fortune.

The more difficulties one has to encounter, within and without, the more significant and the higher in inspiration his life will be.

In all things that you do, consider the end.

Every day I get up and look through the Forbes list of the richest people in America. If I’m not there, I go to work.