1: Once you have their money, you never give it back.
 3: Never spend more for an acquisition than you have to.
 6: Never let family stand in the way of opportunity.
 7: Always keep your ears open.
 9: Opportunity plus instinct equals profit.
 10: Greed is eternal.
 16: A deal is a deal.
 17: A contract is a contract is a contract – but only between Ferengi.
 18: A Ferengi without profit is no Ferengi at all.
 21: Never place friendship before profit.
 22: Wise men can hear profit in the wind.
 23: Nothing is more important than your health. Except for money.
 31: Never make fun of a Ferengi's mother.
 33: It never hurts to suck up to the boss.
 34: War is good for business.
 35: Peace is good for business.
 47: Don't trust a man wearing a better suit than your own.
 48: The bigger the smile, the sharper the knife.
 57: Good customers are as rare as latinum — treasure them.
 59: Free advice is seldom cheap.
 62: The riskier the road, the greater the profit.
 74: Knowledge equals profit.
 75: Home is where the heart is but the stars are made of latinum.
 76: Every once in a while, declare peace. It confuses the hell out of your enemies.
 94: Females and finances don't mix.
 95: Expand or die.
 98: Every man has his price.
 102: Nature decays, but latinum lasts forever.
 103: Sleep can interfere with opportunity.
 109: Dignity and an empty sack is worth the sack.
 111: Treat people in your debt like family - exploit them.
 112: Never have sex with the boss' sister.
 119: Buy, sell, or get out of the way.*
 125: You can't make a deal if you're dead.
 139: Wives serve; brothers inherit.
 141: Only fools pay retail.
 168: Whisper your way to success.
 190: Hear all, trust nothing.
 194: It's always good business to know about new customers before they walk in your door.
 203: New customers are like razor-toothed gree worms: they can be succulent but sometimes they can bite back.
 208: Sometimes the only thing more dangerous than a question is an answer.
 211: Employees are the rungs on the ladder of success - don't hesitate to step on them.
 214: Never begin a business negotiation on an empty stomach.
 217: You can't free a fish from water.
 229: Latinum lasts longer than lust.
 239: Never be afraid to mis-label a product.
 242: More is good, all is better.
 263: Never allow doubt to tarnish your lust for Latinum.
 285: No good deed ever goes unpunished.
: When no rule applies . . . make one up