Constraints inspire us in how we approach the press, how we approach business relationships, how we do everything.

'Luck' is recognizing when the situation encourages build out and execution.

You don't have to start from scratch to do something interesting. You don't have to start from scratch to have a massive impact on the world. You have to have a good idea. You have to convince other people of those good ideas. And you have to push as quickly as possible.

The idea of Twitter started with me working in dispatch since I was 15 years old, where taxi cabs or firetrucks would broadcast where they were and what they were doing.

The strongest thing you can cultivate as an entrepreneur is to not rely on luck but cultivating an ability to recognize fortunate situations when they are occurring.

Amazing what people make up based on what they choose to see.

Don't avoid eye contact and don't be late