Terrorism is a horrible thing that is the great threat to civilization on our planet.

I wonder now how tough you have to be to get big things done.

Simply handing over your iPod to a friend, your blind date, or the total stranger sitting next to you on the plane opens you up like a book." (Steven Levy)

People who know what they’re talking about don’t need PowerPoint.

I think America is really well-positioned, because we do train people to be creative and sometimes resist authority, which helps in being an innovator. I think you're going to see for the next phase of the revolution all sorts of wonderful ways of connecting art and literature and journalism into new forms of digital expression.

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.

Jobs insisted that Apple focus on just two or three priorities at a time. “There is no one better at turning off the noise that is going on around him,” Cook said. “That allows him to focus on a few things and say no to many things. Few people are really good at that.