Here’s the list, but please  read the full article for additional detail/context…

1. Don’t buy things
2. Don’t fall in love with someone that is in love with someone else
3. Don’t try to please people
4. Run, don’t walk
5. Don’t make promises you can’t keep
6. Don’t steal paperclips from the office
7. Don’t wait for them to say yes
8. Don’t do anything you don’t want to do
9. Don’t consume bad things
10. Don’t time travel into the past

Again, here’s the full article.