Every yes is a no to something else. Your calendar is a zero-sum game. The discipline of saying no isn't about being difficult. It's about protecting what matters most.

Warren Buffett said the difference between successful people and very successful people is that very successful people say no to almost everything. Greg McKeown writes about the disciplined pursuit of less.

Key topics:

• Warren Buffett on saying no to almost everything
• Greg McKeown and the disciplined pursuit of less
• Why "priority" was never meant to be plural

Today's Practice: Look at your calendar. What's on there that isn't moving you toward your goals? "No" is a complete sentence.

Master the mind. Your life will follow.