Twitter brings you closer. I mean, we see this over and over again from our users. It brings them closer to the action. It brings them closer to their heroes.

The Internet destroyed most of the barriers to publication. The cost of being a publisher dropped to almost zero with two interesting immediate results: anybody can publish, and more importantly, you can publish whatever you want.

People have Plato's form in their mind of what a leader is, or what a C.E.O. is, and it is a bunch of elements that I really don't conform to at all. I've given this a lot of thought, and I came to the conclusion that I don't care.

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

Don't always worry what your next line is going to be.

What is the thing that matters most to making progress right now?

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