You don't have enough time to be both unhappy & mediocre. It's not just pointless; it's painful.

One reason people who spend a lot of time thinking about and working on a problem or a craft seem to find breakthroughs more often than everyone else is that they've failed more often than everyone else.

The way to work with a bully is to take the ball and go home. First time, every time. When there's no ball, there's no game. Bullies hate that. So they'll either behave so they can play with you or they'll go bully someone else.

People are buying only one thing from you: the way the engagement (hiring you, working with you, dating you, using your product or service, learning from you) makes them feel.

The first rule of doing work that matters: Go to work on a regular basis.

A book is a souvenir of an idea.

By all means, fire the customers who aren't worth the time and the trouble. But understand that the moment you insist the customer is wrong, you've just started the firing process.