Jack Dorsey: "I learn the most when I make myself feel uncomfortable"

If you want to be successful, help 1,000 people.

Hire slowly, fire quickly. But always with empathy.

4 rules to sell for a high multiple: - Own a niche - Have recurring revenue - Tech is at your core - You are international - You have defensive IP

Go after exiting markets with competitors where no one company has dominated the industry.

Most people aren’t lazy. They just haven’t found something they care enough about to go hard on.