- Worlds that do not trade with other worlds are poor and have low technology.
- 1st Corollary of Law 1: Poor, low tech worlds are in constant danger of extinction.
- 2nd Corollary of Law 1: Exceptions to this law tend to be extremely nasty.
- You are not the first traveller to arrive in this system.
- 1st Corollary of Law 2: If you don't know what happened to previous travellers, you are asking for trouble.
- The people that built your ship assumed that you would always be fully supplied, have a full fuel tank, and not have more than the recommended amount of cargo and passengers before entering hyperspace.
- 1st Corollary of Law 3: The most important knowledge a traveller must have is how to bend Law 3.
- Human beings are short-sighted, paranoid, selfish, greedy, and delusional.
- 1st Corollary of Law 4: This is the primary source of profit for travellers.
- 2nd Corollary of Law 4: This is the primary source of danger for travellers.
- 3rd Corollary of Law 4: This applies to your crew, too, so watch your back.
- Always be prepared to nuke the site from orbit (a.k.a. Dead men tell no tales).
- 1st Corollary of Law 5: Remember that everyone you meet is trying to figure out how to kill you if they decide they have to.
- Exposure to hard radiation does not give you super powers. It simply kills you.
- Gravity is a harsh mistress.
- Don't touch that.
- 1st Corollary of Law 8: If you think you can profit by touching that, go ahead, but be prepared to be wrong.
- 2nd Corollary of Law 8: Much better to order a crewman to touch that.
- Never forget where you landed the shuttle.
- 1st Corollary of Law 9: When on a planet, always conduct yourself in such a manner that you are on the shuttle when it takes off again.
- 2nd Corollary of Law 9: Always remember that your captain can probably recall the shuttle on autopilot.
- 3rd Corollary of Law 9: It doesn't do any good to be on the shuttle when it returns if your captain is simply going to throw you out the air lock.
- It's good to be the Captain.
- 1st Corollary of Law 10: Your entire crew knows this.