Your self-control is highest in the morning and diminishes during the day, so review your book’s rules every afternoon.

To get rich, don’t think about what’s valuable to you. Think about what’s valuable to others.

Changing the world includes changing yourself. Change your beliefs, preferences, acquaintances, hobbies, location, and lifestyle. Your only constant habit will be looking for what else to change.

Everyone wants to be with someone who’s having more fun. At every moment in life, choose whatever action or angle amuses you. Laughing at life is how to live.

Success in business comes from helping people — bringing the most happiness to the most people.

You can’t be free without self-mastery.

If someone else innovated in obscurity, they didn’t make an impact.

Boring industries have little competition, since most people are seeking status in glamorous new fields. Find an old industry and solve an old problem in a new way.

Don’t just express yourself. Discover yourself. Create questions, not answers. Explore whatever excites you most.