Steel is prince or pauper.

Ninety percent of all millionaires become so through owning real estate.

And there is no use whatever, gentlemen, trying to help people who do not help themselves. You cannot push any one up a ladder unless he be willing to climb a little himself.

You are what you think. So just think big, believe big, act big, work big, give big, forgive big, laugh big, love big and live big.

In [my] life ... I did not understand steam machinery, but I tried to understand that much more complicated piece of mechanism - man.

To kill a man will be considered as disgusting [in the twentieth century] as we in this day consider it disgusting to eat one.

The more difficult a problem becomes, the more interesting it is.