If you think you can do a thing, or think you can't do a thing you're right

Thinking is the hardest work there is, which is probably the reason why so few engage in it

If there is any one secret of success, it lies in the ability to get the other person's point of view and see things from that person's angle as well as from your own

The only real security that a man can have in this world is a reserve of knowledge, experience and ability

The question "Who ought to be boss?" is like as "Who ought to be the tenor in the quartet?" Obviously, the man who can sing tenor.

Quality means doing it right when no one is looking.

People can have the Model T in any color - so long as it's black

There is joy in work. There is no happiness except in the realization that we have accomplished something

History is more or less bunk

I don't know much about history, and I wouldn't give a nickel for all the history in the world. History is more or less bunk. It is tradition. We want to live in the present, and the only history that is worth a tinker's damn is the history we make