Introduction -- Principle #1: Be the author of your own story -- Principle #2: Direct your thoughts -- Principle #3: Manage your emotions -- Principle #4: Protect your memory -- Principle #5: Learn to listen and dialogue -- Principle #6: Learn the art of self-dialogue -- Principle #7: Contemplate beauty -- Principle #8: Unleash creativity -- Principle #9: Be restored in your sleep -- Principle #10: Live an enterprising lifestyle -- Principle #11: Think existentially -- Principle #12: Turn life into a celebration.