Leonardo da Vinci had such a playful curiosity. If you read his notebooks, you'll see he's curious about what the tongue of a woodpecker looks like, but also why the sky is blue, or how an emotion forms on somebody's lips. He understood the beauty of everything. I've admired Leonardo my whole life, both as a kid who loved engineering - he was one of the coolest engineers in history - and then as a college student, when I travelled to see his notebooks and paintings.

I think different religions are different doors to the same house. Sometimes I think the house exists, and sometimes I don’t. It’s the great mystery. (Steve Jobs)

If you act like you can do something, then it will work.

Was he smart? No, not exceptionally. Instead, he was a genius.

There are parts of his life and personality that are extremely messy, and that's the truth

If you want to be a great American, you have got to understand Ben Franklin, Thomas Jefferson, George Washington, how the American Revolution happened. I think if you want to be a good citizen of the digital age, it helps to feel comfortable with both the people and the ways of thinking that created the digital revolution.

I am a fruitarian and I will only eat leaves picked by virgins in the moonlight - Steve Jobs