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.

Instead of staying strong and working through when times are really tough, I usually quit this recipe for failure and start a whole new recipe. So if something is too challenging, I tend to chalk it up as not a good fit, and move on to something else.

If you keep thinking about putting on a conference or being a Hollywood screenwriter, and you find the idea terrifies but intrigues you, it's probably a worthy endeavor for you. You grow (and thrive!) by doing what excites you and what scares you everyday, not by trying to find your passion.

Go find very early versions of things: the first TV pilot of a later-successful TV show; early audition tapes by famous actors; early demos by famous musicians. Focus on these early examples, not what they became over the next 20 years. Remember that what you're doing will constantly improve.

In the end, it's about what you want to be, not what you want to have.

If you're not saying 'Hell Yeah' about something, say 'No'.

Are you helping people? Are they happy? Are you happy? Are you profitable? Isn't that enough?