But if it's tolerable mediocrity, and you're like, 'Well, you know it could be worse. At least I'm getting paid.' Then you wind up in a job that is slowly killing your soul and you're allowing that to happen. Comfort can be a very, very dangerous thing.

Most people are good at a handful of things and utterly miserable at most.

Being selective-doing less-is the path of the productive. Focus on the important few and ignore the rest.

I'm prepared to do battle for a dream that is worth dreaming.

People are fond of using the its not what you know, its who you know adage as an excuse for inaction, as if all successful people are born with powerful friends. Nonsense.

The key to having more time is doing less, and there are two paths to get there, both of which should be used together: (1) Define a short to-do list and (2) define a not-to-do list.

Companies that start by redesigning the economics of an industry often finish by redesigning the whole industry-and owning it.