Rule #127: Gratitude can bring on generosity.
Rule #267: Wish not so much to live Long, as to live well.
Rule #146: If possible sell neither the sizzle nor the steak, but the Elphasian wheat germ.
Quark (The Search)
Rule #15: Acting stupid is often smart.
What is the clue Data sent himself to break out of the temporal loop in the Typhon Expanse?
Rule #131: If it gets you profit, sell your own mother.