1. Never throw rocks at an armed man.
2. Never stand next to someone who is throwing rocks at an armed man.
3. Never fire a laser at a mirror.
4. Mother Nature doesn't care if you're having fun.
5. It is easier to destroy than create.
6. Ethics change with technology.
7. Anarchy is the least stable of social structures.
8. There is a time and place for tact.
9. The ways of being human are bounded but infinite.
10. When your life starts to look like a soap opera, it's time to change the channel.
11. Never waste calories.
12. There is no cause so right that one cannot find a fool following it.
13. No technique works if it isn't used.
14. Not responsible for advice not taken.
15. Think before you make the coward's choice. Old age is not for sissies.