1. Do not obey in advance.
2. Defend institutions.
3. Beware the one-party state.
4. Take responsibility for the face of the world.
5. Remember professional ethics.
6. Be wary of paramilitaries.
7. Be reflective if you must be armed.
8. Stand out.
9. Be kind to our language.
10. Believe in truth.
11. Investigate.
12. Make eye contact and small talk.
13. Practice corporeal politics.
14. Establish a private life.
15. Contribute to good causes.
16. Learn from peers in other countries.
17. Listen for dangerous words.
18. Be calm when the unthinkable arrives.
19. Be a patriot.
20. Be as courageous as you can.

Ref [scholars.org]