You don't have to be a genius or a visionary or even a college graduate to be successful. You just need a framework and a dream.

I always knew I wanted to run a business someday.

Recognize that there will be failures, and acknowledge that there will be obstacles. But you will learn from your mistakes and the mistakes of others, for there is very little learning in success.

Ignore the people who tell you it won't work, and hire people who embrace your vision.

It's easy to decide what you're going to do. The hard thing is deciding what you're not going to do.

I have no doubt that in the future, wearable devices like Fitbit will know my blood pressure, hydration levels and blood sugar levels as well. All of this data has the potential to transform modern medicine and create a whole new era of personalized care.

If you want to sustain excellence over a long time, you'd better come up with a system that works well. Anyone can sprint for a little while, but you can't sprint for forty years.