Five years from now on the Web for free you’ll be able to find the best lectures in the world. It will be better than any single university.

Apple has always leveraged technologies that the PC industry has driven to critical mass - the bus structures, the graphics cards, the peripherals, the connection networks, things like that - so they're kind of in the PC ecosystem and kind of not.

The huge turnout for Live 8 here and around the world proves that thanks to the leadership from people like Tony Blair and Gordon Brown the world is beginning to demand more action on global health and poverty.

The only thing I understand deeply, because in my teens I was thinking about it, and every year of my life, is software. So I'll never be hands-on on anything except software.

The fact that there was no catastrophic pandemic in recent history does not mean there won't be another one. And we are certainly not prepared for the next pandemic.

If I think something's a waste of time or inappropriate I don't wait to point it out. I say it right away. It's real time. So you might hear me say 'That's the dumbest idea I have ever heard' many times during a meeting.

Innovation is a good thing. The human condition - put aside bioterrorism and a few footnotes - is improving because of innovation.