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.

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.

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.

Designing aircraft and racing cars is an extremely exciting thing.

The people who lead us are of us. We put them in office and we can take them out. America proves that the people can govern themselves.

When you are content to be simply yourself and don't compare or compete, everyone will respect you.

I like the idea of the object, the relic. And I see it as a time machine too or a device you plug into a socket that activates a sound and light show.

After six or seven performances of any song, you begin to perform it rather than feel it.

A neat and orderly laboratory is unlikely. It is, after all, so much a place of false starts and multiple attempts.

I can watch a sunset on my own.

Make America great again is not just some slogan. It is what has been in his heart since the day I met Donald Trump.

The older I get, the more I appreciate what came before.

One time Robert Plant was set to check into the same room after I checked out, so I removed every light bulb and ordered up a bunch of stinky cheese and put it under the mattress.

I actually feel, in a lot of ways, that I'm in better shape than I was when I was 30.