The 10% between 90% done to 100% done takes most of the time, causes most of the stress, but is all of the value.

If you don't go to every level of your company, you distance yourself from the marketplace and from your people.

If people don't think the odds are against you, you're doing it wrong.

I think bad politics are incredibly dangerous, so it's important to make sure that people are communicating well. Culture and morale are super important. It's best to not force it, but let it happen organically and genuinely.

If you're in your early 20s and you're hanging out with a bunch of other people in their early 20s, nobody has a sense of the kinds of problems that real 'workers' run into every day. They're running into a completely different set of problems like 'what's the party going on right now that I should be going to?

The only way to avoid disruption is to constantly do what you would if you were just starting out.

I believe there's plenty of market for each; we're talking about an ecosystem that is going to support billions of devices, so a competitive landscape is good for consumers, developers, and the platforms alike. Apple brings a smooth elegance to its devices and platform, with the best marketplace experience to boot. Google brings a higher volume of devices as well as a more diverse ecosystem to interact with. The real story here is that Microsoft is nowhere to be seen, ending a two-decade monopoly and creating biggest opportunity for software startups probably ever.