Once in a rare while, somebody comes along who doesn't just raise the bar, they create an entirely new standard of measurement.

Managing by trying to be liked is the path to ruin.

If there's ever an example of the importance of making bold bets and focusing on what you love, it's Twitter.

Once in a rare while, somebody comes along who doesn't just raise the bar, they create an entirely new standard of measurement.

Believe that if you make courageous choices, and bet on yourself, then you will have an impact.

When I was your age, we didn't have the Internet in our pants. We didn't even have the Internet not in our pants. That's how bad it was. I know I sound like my grandfather right now. We didn't have teeth! There were no questions marks, we just had words! What was I talking about? The Internet...Not only can you not plan the impact you're going to have, you often won't recognize it when you're having it.

Not only can you not plan the impact you're going to have, you often won't recognize it when you're having it.