"It's really hard to design products by focus groups. A lot of times, people don't know what they want until you show it to them."

"Do you want to spend the rest of your life selling sugar water, or do you want a chance to change the world?"

"I think the things that people are most passionate about are the things that they love. And if you love what you do, you'll be good at it."

"I would trade all of my technology for an afternoon with Socrates."

"The desktop computer industry is dead. Innovation has ceased. Microsoft dominates with no real innovation. That's over. Apple lost. The desktop computer market has entered the dark ages, and it's goin…"