The thing that most people call 'genius' I do not believe in.

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

The man who fails to give fair service during the hours for which he is paid is dishonest. The man who is not willing to give more than this is foolish.

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.

The man who counts his hours and kicks about his salary is a self-elected failure.

If you must be a glutton, be a glutton for work.

We have reached in this country an amazing degree of general prosperity, with American business on the whole no longer facing an uphill climb.