Someone once said that death is God's way of telling you to slow down. I do enjoy what I do, and the secret of my success is the willingness to grind work out.

Do you know what the difference is between PR and advertising? Advertising is when you say how great you are. PR is when other people say how great you are. PR is better.

The desire to change the world is a tremendous advantage as you travel down the difficult path ahead because focusing on a lofty goal is more energizing and attracts more talent than simply making a buck.

Money is not the sole or most powerful motivation for many people. A higher and tougher test is to look back and see how you've made the world a better place.

Ideas are easy. Implementation is hard.

If you truly don't have competition, then zoom out until you can define some. Competition can be as simple as the reliance on the status quo, Microsoft (since at some point Microsoft will compete with everyone for everything), or researchers in universities. Pick something, because saying you have no competition at all is a nonstarter.

Doing, not learning to do, is the essence of entrepreneurship.