Or, if I take that same auditorium and I make it much bigger and put more space between seats, it'll be quieter because it's much harder when you're not in physical contact with people to spread a virus from person-to-person, right? There are all sorts of patterns that we see in epidemiology that help us understand why something spreads.

Successful people fail often, and, worth noting, learn more from that failure than everyone else.

Great work is always shunned at first.

Competence is no longer a scarce commodity.

When you think about Uber and Airbnb and the other companies that are turning things upside down, Uber isn't big 'cause they ran a lot of ads. They're big because someone took out their iPhone and said to their friend, watch this, and pressed a button and a car pulled up.

If you hear my idea but don't believe it, that's not your fault; it's mine. If you see my new product but don't buy it, that's my failure, not yours. If you attend my presentation and you're bored, that's my fault too.

The only purpose of customer service is to change feelings.