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

The man who has done his best has done everything. The man who has done less than his best has done nothing.

You can never really get away - - you can only take yourself somewhere else.

Bare hands grip success better than kid gloves.

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

I have yet to hear an instance where misfortune hit a man because he worked overtime. I know lots of instances where it hit men who did not.

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.