Shamelessly plagiarized from The Greatness Guide, by Robin Sharma:
1. Be the most positive person you know.
2. Be candid and speak truthfully.
3. Be on time.
4. Say please and thank you.
5. Under-promise and over-deliver.
6. Leave people better than you found them.
7. Be friendly and caring.
8. Be a world-class listener.
9. Become passionately interested in other people.
10. Smile a lot.