You must know all there is to know in your particular field and keep on the alert for new knowledge. The least difference in knowledge between you and another man may spell his success and your failure.

I'll sleep well tonight

If the people really set their minds on anything it is impossible to prevent their getting what they want.

If money is your hope for independence you will never have it. The only real security that a man will have in this world is a reserve of knowledge, experience, and ability.

Business men go down with their businesses because they like the old way so well they cannot bring themselves to change. One sees them all about - men who do not know that yesterday is past, and who woke up this morning with their last year's ideas.

I invented nothing new. I simply combined the inventions of others into a car. Had I worked fifty or ten or even five years before, I would have failed.

Sometimes you just don't like somebody