3. Never spend more for an acquisition than you have to. -- "The Maquis, Part II"
6. Never allow family to stand in the way of opportunity. -- "The Nagus"
7. Keep your ears open. -- "In the Hands of the Prophets"
8. Only a fool passes up a business opportunity. -- "Warchild"
9. Opportunity plus instinct equals profit. -- "The Storyteller"
10. Greed is eternal. -- "Prophet Motive"
13. Anything worth doing is worth doing for money. -- "The Making Of DS9"
16. A deal is a deal; until a better one comes along. -- "Melora"
17. A contract is a contract is a contract-but only between Ferengi -- "Body Parts"
18. A Ferengi without profit is no Ferengi at all. -- "Heart of Stone"
19. Satisfaction is not guarranteed. -- "Meridian"
21. Never place friendship above profit. -- "Rules Of Acquisition"
22. Wise men can hear profit in the wind. -- "Rules Of Acquisition"
31. Never make fun of a Ferengi's mother. -- "The Siege"
33. It never hurts to suck up to the boss. -- "Rules Of Acquisition"
34. War is good for business. -- "Destiny"
35. Peace is good for business. -- "Destiny"
36. Never mistake wisdom for luck. -- "Birth of the Federation" CD ROM
43. All's fair in war and profit. -- "Birth of the Federation" CD ROM
47. Don't trust a man wearing a better suit than your own. -- "Rivals"
48. The bigger the smile, the sharper the knife. -- "Rules Of Acquisition"
57. Good customers are as rare as latinum. Treasure them. -- "Armageddon Game"
58. There is no substitute for success. -- "Birth of the Federation" CD ROM
59. Free advice is seldom cheap. -- "Rules Of Acquisition"
62. The riskier the road, the greater the profit. -- "Rules of Acquisition"
69. Ferengi are not responsible for the stupidity of other races. -- "Balance Of Power"
75. Home is where the heart is, but the stars are made of latinum. -- "Civil Defense"
76. Every once in a while, declare peace. It confuses the hell out of them. -- "The Homecoming"
79. Beware the Vulcan greed for knowledge. -- "Birth of the Federation" CD ROM
85. Never let the competition know what you're thinking. -- "Birth of the Federation" CD ROM
95. Expand or die. -- "False Profits"
98. Every man has his price. -- "In The Pale Moonlight"
102. Nature decays, but latinum lasts forever. -- "The Jem'Hadar"
103. Sleep can interfere with... -- "Rules Of Acquisition"
109. Dignity and an empty sack is worth a sack. -- "Rivals"
111. Treat people in your debt like family-exploit them. -- "Past Tense, Part I"
112. Never have sex with the boss's sister. -- "Playing God"
139. Wives serve, brothers inherit. -- "Necessary Evil"
168. Whisper your way to success. -- "Treachery, Faith, and the Great River"
190. Hear all, trust nothing. -- "A Call To Arms"
191. A Ferengi waits to bid until his opponents have exhausted themselves. -- "Balance Of Power"
192. Never cheat a Klingon unless you're sure you can get away with it. -- "Birth of the Federation" CD ROM
194. It's always good business to know about new customers before they walk in your door. -- "Whispers"
203. New customers are like razor-backed greeworms-They can be succulant, but sometimes they bite back. -- "Little Green Men"
208. Sometimes the only thing more dangerous than the question is the answer. -- "Ferengi Love Songs"
211. Employees are the rungs on the ladder of success-don't hesitate to step on them. -- "Bar Associations"
214. Never begin a business negotiation on an empty stomach. -- "The Maquis, Part I"
216. Never gamble with an empath. -- "The Laertian Gamble"
217. You can't free a fish from water. -- "Past Tense, Part I"
218. Always know what you're buying. -- "Birth of the Federation" CD ROM
219. Possession is 11/10's of the law. -- "Balance Of Power"
239. Never be afraid to mislabel a product. -- "Body Parts"
263. Never allow doubt to tarnish your lust for latinum. -- "Bar Associations"
285. No good deed ever goes unpunished. -- "The Collaborator"
286. When Morn leaves, it's all over. -- Not a real Rule, but one that Quark made up in "The House of Quark."