A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.

Every time I took these bigger risks, the opportunity for a bigger payout was always there.

Do not wait to strike until the iron is hot; but make it hot by striking.

Stay self-funded as long as possible.

Building a castle is difficult. Defending and maintaining it is harder still.

Your most unhappy customers are your greatest source of learning.

There is only one way to avoid criticism: Do nothing, say nothing, and be nothing.

A fall into a ditch makes you wiser.

Being realistic is the most commonly traveled road to mediocrity.

The successful man is the one who finds out what is the matter with his business before his competitors do.

Don't waste your life in doubts and fears: Spend yourself on the work before you, well assured that the right performance of this hour's duties will be the best preparation for the hours or ages that follow it.

I’m not a businessman. I’m a business, man.

Most 'impossible' goals can be met simply by breaking them down into bite-size chunks, writing them down, believing them, and then going full speed ahead as if they were routine.

Everyone should carefully observe which way his heart draws him, and then choose that way with all his strength.

Everyone should carefully observe which way his heart draws him, and then choose that way with all his strength.

You don’t learn to walk by following rules. You learn by doing and falling over.

I am not a product of my circumstances. I am a product of my decisions.

If you think education is expensive, try ignorance