TEN PRETTY GOOD RULES

1. Never wrestle with a pig; you both get dirty, and the pig likes it! 
2. Never argue with an idiot; people watching may not be able to tell the difference! 
3. Observe everything; admire nothing! 
4. It's easier to obtain forgiveness than permission! 
5. Never resist the temptation to keep your mouth shut! 
6. Don't ask questions if you can't live with the answers! 
7. If you want a new idea, read an old book! 
8. If you don't know where you're going, any road will take you there! 
9. Never have a philosophy which supports lack of courage! 
10. Never look back unless you intend to go that way!