I'm truly saddened to learn of Steve Jobs' death. The world rarely sees someone who has had the profound impact Steve has had, the effects of which will be felt for many generations to come. For those of us lucky enough to get to work with him, it's been an insanely great honor. I will miss Steve immensely.

I never took a day off in my twenties. Not one.

Strategically, a major function of the CEO is to look for bad news and encourage the organization to respond to it. Employees must be encouraged to share bad news as much as good news.

The finest pieces of software are those where one individual has a complete sense of exactly how the program works. To have that, you have to really love the program and concentrate on keeping it simple, to an incredible degree.

Robots will play an important role in providing physical assistance and even companionship for the elderly.

[Warren Buffett ] met with all sorts of different groups about a lot of different things, but yes, he took the time, he listened and he wanted to understand about some of the different diseases and the strength of the American role in doing all these things.

One thing I've always loved about the culture at Microsoft is there is nobody who is tougher on us, in terms of what we need to learn and do better, than the people in the company itself. You can walk down these halls, and they'll tell you, 'We need to do usability better, push this or that frontier.'