Sometimes the most modest changes can bring about enormous effects.

Incompetence annoys me. Overconfidence terrifies me.

Emotion is contagious.

No one who can rise before dawn three hundred sixty days a year fails to make his family rich.

Achievement is talent plus preparation

When you're an underdog, you're forced to try things you would never otherwise have attempted.

The act of facing overwhelming odds produces greatness and beauty.

By embracing the diversity of humans beings, we will find a sure way to true happiness.

Hard work is a prison sentence only if it does not have meaning.

The difference isn't resources, it's attitude.

A lot of what is most beautiful about the world arises from struggle.

If you don't contradict yourself on a regular basis, then you're not thinking.

Practice isn't the thing you do once you're good. It's the thing you do that makes you good.

The visionary starts with a clean sheet of paper and re-imagines the world.

If everyone has to think outside the box, maybe it is the box that needs fixing.

Building fast-growing, globally competitive companies is tough.

There's only one side with me. You get the right side. You get the correct version of the facts.

If you want a friend, buy a dog.

I have great people working for me now. I surround myself with smart people.