We relate to Leonardo da Vinci because his genius was just being passionately curious about everything. He wanted to know everything he could know about our universe, including how we fit into it. We can't all have a superhuman intellect like Albert Einstein's, but we can be super-curious. And we can also quit smashing curiosity out of the hands our children.

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)

Jobs did not know that Sculley had told Eisenstat he wanted to quit, but by then it didn't matter. Overnight, he had changed his mind and decided to stay. Despite the blowup the day before, he was still eager for Jobs to like him. So he agreed to meet the next afternoon.

Picasso had a saying - 'good artists copy, great artists steal' - and we have always been shameless about stealing great ideas.

More generally, I made an effort to leave out things that weren't relevant to the main narrative themes of the book, namely that there were two sides to Steve Jobs: the romantic, poetic, countercultural rebel on one side, and the serious businessperson on the other.

What are the five products you want to focus on? Get rid of the rest, because they’re dragging you down. They’re turning you into Microsoft. They’re causing you to turn out products that are adequate but not great.

When you write biographies, whether it's about Ben Franklin or Einstein, you discover something amazing: They are human.