Engineers are behind the cars we drive, the pills we pop and the way we power our homes.

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.

The truth is that if you do not join the way of godliness, then you do not have any reason to complain when the ungodly are busy planning and making the pathway of ungodliness.

At both school and at home, I lost myself in books.

There's no substitute for imagination, but creativity is only enhanced when forged with life experience.

That’s literally one of those things where if I tell you I have to kill you. A witch’s wand is a powerful tool and could be disastrous if it fell into the wrong hands.

Poetry is something to make us wiser and better, by continually revealing those types of beauty and truth, which God has set in all men's souls.

I have another proof that we're going to have food in Heaven! And man did eat angel's food.-Manna! So angels can eat food!

I don't know much about cars," Joyce said, "but I think someone took my engine.

You either belong wholly to the world or wholly to God.

There were times that I needed to go to battle, but how I went to battle wasn't always the best way in.

It's a funny thing about life; if you refuse to accept anything but the best, you very often get it.