There are 285 Rules of Acquisition which guide all Ferengi business deals. This is a list of
all of the rules I know of, if anyone can fill in the gaps or correct any mistakes them please E-Mail me
| No. | Rule | Source | Wave |
| 1. | Once you have their money, you never give it back. | Rom, "The Nagus" |  |
| 3. | Never spend more for an Acquisition than you have to. | Quark, "The Maquis, Part II" |  |
| 6. | Never allow family to stand in the way of opportunity. | Zek, "The Nagus" |  |
| 7. | Keep your ears open. | Odo, "In the Hands of the Prophets" |  |
| 8. | Small print leads to large risk. | | |
| 9. | Opportunity plus instinct equals profit. | Nog, "The Storyteller" |  |
| 10. | Greed is eternal. | Quark, "Prophet Motive" |  |
| 12. | Anything worth doing is worth doing for money. | | |
| 13. | Anything worth doing is worth doing twice. | The Making of ST:DS9 | |
| 16. | A deal is a deal (...until a better one comes along). | Quark, "Melora" |  |
| 17. | A contract is a contract is a contract--but only between Ferengi. | Rom, Quark, Brunt, and Gint, "Body Parts" |  |
| 18. | A Ferengi without profit is no Ferengi at all. | Ben Sisko and Nog, "Heart of Stone" |  |
| 19. | Satisfaction is not guaranteed. | Quark, "Meridian" |  |
| 21. | Never place friendship before profit. | Quark, "Rules of Acquisition" |  |
| 22. | A wise man can hear profit in the wind. | Pel, "Rules of Acquisition" |  |
| 27. | There's nothing more dangerous than an honest businessman. | Pocket Books: Rules of Acquisition | |
| 31. | Never make fun of a Ferengi's mother... insult something he cares about, instead. | Quark, "The Siege" |  |
| 33. | It never hurts to suck up to the boss. | Quark and Pel, "Rules of Acquisition" |  |
| 34. | War is good for business. | Quark, "Destiny" |  |
| 35. | Peace is good for business. | Dax, "Destiny" |  |
| 40. | She can touch your lobes, but never your Latinum. | Pocket Books: Rules of Acquisition | |
| 41. | Profit is its own reward. | Pocket Books: Rules of Acquisition | |
| 44. | Never confuse wisdom with luck. | Pocket Books: Rules of Acquisition | |
| 47. | Never trust anyone whose suit is nicer than your own. | Quark, "Rivals" |  |
| 48. | The bigger the smile, the sharper the knife. | Pel, "Rules of Acquisition" |  |
| 52. | Never ask when you can take. | Pocket Books: Rules of Acquisition | |
| 57. | Good customers are as rare as Latinum. Treasure them. | Quark, "Armageddon Game" |  |
| 58. | There is no substitute for success. | Pocket Books: Rules of Acuisition | |
| 59. | Free advice is seldom cheap. | Quark, "Rules of Acquisition" |  |
| 60. | Keep your lies consistent. | Pocket Books: Rules of Acquisition | |
| 62. | The riskier the road, the greater the profit. | Pel, "Rules of Acquisition", Quark, "Little Green Men" |  |
| 65. | Win or lose, there's always Huyperian beetle snuff. | Pocket Books: Rules of Acquisition | |
| 75. | Home is where the heart is, but the stars are made of Latinum. | Quark, "Civil Defense" |  |
| 76. | Every once in a while declare peace... It confuses the hell out of your enemies. | Quark, "The Homecoming" |  |
| 79. | Beware of the Vulcan greed for knowledge. | Pocket Books: Rules of Acquisition | |
| 82. | The flimsier the product, the higher the price. | Pcoket Books: Rules of Acquisition | |
| 85. | Never let the competition know what you're thinking. | Pocket Books: Rules of Acquisition | |
| 89. | Ask not what your profits can do for you, ask what you can do for your profits. | Pocket Books: Rules of Acquisition | |
| 94. | Females and finances don't mix. | Pocket Books: Rules of Acquisition |  |
| 95. | Expand or die. | Kafar, "False Profits" |  |
| 96. | For every Rule, there is an equal and opposite Rule.(except when there's not) | Pocket Books: Rules of Acquisition | |
| 97. | Enough... is never enough. | Pocket Books: Rules of Acquisition | |
| 99. | Trust is the biggest liability of all. | Pocket Books: Rules of Acquisition | |
| 102. | Nature decays, but Latinum is forever. | Quark and Nog, "The Jem'Hadar" |  |
| 104. | Faith moves mountains... of inventory. | Pocket Books: Rules of Acquisition | |
| 106. | There is no honor in poverty. | Pocket Books: Rules of Acquisition | |
| 109. | Dignity and an empty sack is worth the sack. | Quark, "Rivals" |  |
| 111. | Treat people in your debt like family--exploit them. | Ben Sisko, "Past Tense I", Worf, "The Darkness and the Light" |  |
| 112. | Never have sex with the boss' sister. | Quark |  |
| 117. | Everything is for sale, including friendship. | Pocket Books: Rules of Acquisition | |
| 123. | Even a blind man can recognize the glow of Latinum. | Pocket Books: Rules of Acquisition | |
| 125. | You can't make a deal when you're dead. | Quark, "The Siege of AR-558" | |
| 139. | Wives serve. Brothers inherit. | Odo, "Necessary Evil" |  |
| 141. | Only fools pay retail. | Pocket Books: Rules of Acquisition | |
| 144. | There's nothing wrong with charity...as long as it winds up in your pocket. | Pocket Books: Rules of Acquisition | |
| 162. | Even in the worst of times, someone turns a profit. | Pocket Books: Rules of Acquisition | |
| 177. | Know your enemies... but do business with them always. | Pocket Books: Rules of Acquisition | |
| 181. | Not even dishonesty can tarnish the shine of profit. | Pocket Books: Rules of Acquisition | |
| 189. | Let others keep their reputation. You keep their money. | Pocket Books: Rules of Acquisition | |
| 190. | Hear All, Trust nothing | Sisko and Nog |  |
| 192. | Never cheat a Klingon... unless you're sure you can get away with it. | Pocket Books: Rules of Acquisition | |
| 194. | It's always good business to know about new customers before they walk in your door. | Quark, "Whispers" |  |
| 202. | The justification of profit is profit. | Pocket Books: Rules of Acquisition | |
| 203. | New customers are like razor-toothed Greeworms.. They can be succulent, but sometimes they bite back! | Rom, "Little Green Men" |  |
| 208. | Sometimes the only thing more dngerous than a question is an answer | Zek |  |
| 211. | Employees are the rungs on the ladder of success... don't hesitate to step on them. | Grimp, "Bar Association" |  |
| 214. | Never begin a business negotiation on an empty stomach. | Quark, "The Maquis, Part I" |  |
| 217. | You can't free a fish from water. | Quark, "Past Tense, Part I" |  |
| 219. | Always know what you're buying. | Quark, "The Abandoned" | |
| 223. | Beware the man who doesn't make time for oo-mox. | Pocket Books: Rules of Acquisition | |
| 229. | Latinum lasts longer than lust. | Pocket Books: Rules of Acquisition |  |
| 236. | You can't buy fate. | Pocket Books: Rules of Acquisition | |
| 239. | Never be afraid to mislabel a product. | Gint, "Body Parts" |  |
| 242. | More is good... all is better. | Pocket Books: Rules of Acquisition | |
| 255. | A wife is a luxury... a smart accountant, a necessity. | Pocket Books: Rules of Acquisition | |
| 261. | A wealthy man can afford anything except a conscience. | Pocket Books: Rules of Acquisition | |
| 263. | Never allow doubt to tarnish your lust for Latinum. | Rom, "Bar Association" |  |
| 266. | When in doubt, lie. | Pocket Books: Rules of Acquisition | |
| 284. | Deep down, everyone's a Ferengi. | Pocket Books: Rules of Acquisition | |
| 285. | No good deed ever goes unpunished. | Quark, "The Collaborator" |  |