There is no such thing as a quantum leap. There is only dogged persistence - and in the end you make it look like a quantum leap.

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.

Common will please, but never impress.

Your assignment from God is not to change your husband, but to love, follow, assist, and minister to him.

Kids go to school and college and get through, but they don't seem to really care about using their minds. School doesn't have the kind of long term positive impact that it should.

I operate the camera, I always do it when I'm the director, and I like to approach it as a documentary, finding the images based on what happens, as it happens.

Because you can't change results - I would change my losses, and I would definitely like to see on-court coaching.

Happiness consists not of having, but of being. It is a warm glow of the heart at peace with itself.

It's ridiculous and painful to use the Arabic of an Iraqi poet who lived centuries ago to describe what we in Iraq are suffering today.

I grew up in a military family, and there's something about that military-style uniform, all cleaned up, a brutal control effort the military necessarily breeds.

My goal is: I'm not trying to be snobby, but my clothes are not for everyone, not for every Hollywood celebrity. There is a designer for everyone, and a celebrity for every designer.

Cheerily to sea; the signs of war advance: No king of England, if not king of France