When you make a business, you get to make a little universe where you control all the laws.

Let’s never forget that whatever brilliant ideas you have or hear, that the opposite may also be true.

Success comes from persistently improving and inventing, not from persistently promoting what’s not working.

Customer service is the new marketing.

Make every decision—even decisions about whether to expand the business, raise money, or promote someone—according to what's best for your customers.

If you want to be useful, you can always start now. It will be a humble prototype of your grand vision, but you’ll be in the game. Start by teaching someone this week. Starting small puts 100% of your energy into solving real problems for real people.

The first follower is actually an underestimated form of leadership in itself. … The first follower is what transforms a lone nut into a leader.