If you want to be inventive, you have to be willing to fail.

A wise man learns by the mistakes of others, a fool by his own.

The virtue lies in the struggle, not in the prize.

When you have a dream, you've got to grab it and never let go.

We make a living by what we get. But we make a life by what we give.

If you’re not making mistakes, then you’re not making decisions.

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

Entrepreneurship is living a few years of your life like most people won’t, so that you can spend the rest of your life like most people can’t.

Don’t take too much advice. Most people who have a lot of advice to give — with a few exceptions — generalize whatever they did. Don’t over-analyze everything. I myself have been guilty of over-thinking problems. Just build things and find out if they work.

I don’t have big ideas. I sometimes have small ideas, which seem to work out.