“I don't want to feel like I've worked this hard and went away from my family just to do something selfish.”

“Wars are not won by fighting battles; wars are won by choosing battles”

“People say I make strange choices, but they’re not strange for me. My sickness is that I...”

“Courage is not having the strength to go on; it is going on when you don't have the strength.”

“Success at anything will always come down to this: focus and effort. And we control both.”

“Everything alters me, but nothing changes me.”

“Life is too short, or too long, for me to allow myself the luxury of living it so badly.”

“Success is stumbling from failure to failure with no loss of enthusiasm.”

“If you're watching your competitors, you're unlikely to invent a bunch of stuff on your own.”

“The best decisions aren’t made with your mind, but with your instinct.”

“If you're not stubborn, you'll give up on experiments too soon.”

“I was born to make mistakes, not to fake perfection”

“In the small matters trust the mind, in the large ones the heart.”