Marcus Aurelius, 2000 years ago:
1. Ignore what others are doing.
2. Your Reality is made by your opinion.
3. Do less.
4. Death is knocking at your door.
5. You are stronger than you think.
6. You are rising for the work of humankind.
7. Never complain.
8. You can live happy anywhere.
9. Help the common good.
10. Be grateful of your blessings.