23 Life Lessons You've Learned From "It's Always Sunny In Philadelphia"

With the ninth season of It's Always Sunny in Philadelphia premiering this week, here are some of the lessons the gang has taught you over the years.

1. Defense wins championships

2. Butts are for shaking

3. There's no time for whiners

4. Dance like nobody is watching

5. Seriously, like NOBODY is watching

6. Finding a job in this economy is no easy task

7. Self-defense is key

8. Flex that brain of yours for new ideas

9. It's not the size of the dog in the fight, it's the size of the fight in the dog

10. Love comes in all shapes and forms

11. Make sure you get the people going

12. Cool new words impress people

13. Not every idea is golden

14. .....But at least take the time to listen to other peoples' ideas

15. Don't be afraid to fail

16. Practice makes perfect

17. Sometimes, it takes two to tango

18. Don't ever stop the party

19. Don't be afraid to try something new

20. Life will bring surprises

21. Don't be afraid of new and uncomfortable situations

22. Don't be ashamed of yourself in front of your friends

23. Every group needs a wild card