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.

Make every detail perfect and limit the number of details to perfect.

The greatest lesson that I learned in all of this is that you have to start. Start now, start here, and start small. Keep it Simple.

I think Twitter is the future of communications and Square will be the payment network.

Making something simple is very difficult.

Short term satisfaction will never lead to something timeless.

As CEO, my main job is editor-in-chief.