Be friends with everybody. When you have friends you will know there is somebody who will stand by you. You know the old saying, that if you have a single enemy you will find him everywhere. It doesn't pay to make enemies. Lead the life that will make you kindly and friendly to every one about you, and you will be surprised what a happy life you will live.

The inventor, the man with a unique, specialized talent, is the only real super-genius. But he is so rare that he needs no consideration.

A man who trims himself to suit everybody will soon whittle himself away.

There's no limit possible to the expansion of each one of us.

In my own house I rigged up a laboratory and studied chemistry in the evenings, determined that there should be nothing in the manufacture of steel that I would not know. Although I had received no technical education I made myself master of chemistry and of the laboratory, which proved of lasting value.

I disagreed with Carnegie's ideas on how best to distribute his wealth. I spent mine!

Spending creates more wealth for everybody.