You need a stubborn belief in an idea in order to see it realised.

I made 5,127 prototypes of my vaccum before I got it right. There were 5,126 failures. But I learned from each one. That’s how I came up with a solution. So I don’t mind failure.

What I've learned from running is that the time to push hard is when you're hurting like crazy and you want to give up. Success is often just around the corner.

Enjoy failure and learn from it. You never learn from success.

Everyone gets knocked back, no one rises smoothly to the top without hindrance. The ones who succeed are those who say, right, let’s give it another go.

Successes teach you nothing. Failures teach you everything. Making mistakes is the most important thing you can do.

Everyone has ideas. They may be too busy or lack the confidence or technical ability to carry them out. But I want to carry them out. It is a matter of getting up and doing it.

In order to fix it, you need a passionate anger about something that doesn't work well.

Engineering undergraduates should not be charged fees. They should receive grants, not student loans, and the government will get the money back long-term from increased exports.

If you want to do something different, you’re going to come up against a lot of naysayers.

Children want the challenge of difficult tasks - just look how much better they are than their parents on a computer.

A person’s true nature, true self, cannot change with situations.It is totally consistent.

To win the heart of men, always be yourself.

The best way to be happy is to make someone else happy.

speaker: I have only ten minutes and hardly know where to begin. voice in back: Begin at the ninth.

I fix my grandchildren's computers.

Among the responsibilities, we will be ending the bleeding of jobs from our country and negotiating fair trade deals for our citizens.

Intuition is more important to discovery than logic.

Sometimes you have to get sicker before you can get better.

This world is so full of hypocrisy, the only way you can be honest is to be a hermit.

I love '30 Rock.' Absolutely love it. It's a game-changing show.