Bumper stickers

What would be the top 5 bumper stickers that you would put on your car? They don’t have to be funny as long as they express who you are or the rules you live by.

1. Shit happens
2. If you can read this, you're too close
3. My honor student can beat up your honor student
4. My other car is a Skinner Box
5. Don't drink and derive [sic].