Ferengi Rule of Acquisition 217

"You can't free a fish from water."

Source: DS9 episode: Past Tense, Part I

Ferengi Rule of Acquisition 229

"Latinum lasts longer than lust."

Source: DS9 episode: Ferengi Love Songs

Ferengi Rule of Acquisition 54

"Rate divided by time equals profit. (Also known as The Velocity of Wealth.)"

Source: Raise the Dawn (Typhon Pact novel)

Ferengi Rule of Acquisition 98

"Every man has his price."

Source: In the Pale Moonlight (DS9 episode)

Ferengi Rule of Acquisition 88

"It ain't over 'til its over."

Source: Ferenginar: Satisfaction is Not Guaranteed (DS9 novella)

Ferengi Rule of Acquisition 177

"Know your enemies... but do business with them always."

Source: The Ferengi Rules of Acquisition (DS9 novel)

Ferengi Rule of Acquisition 202

"The justification for profit is profit."

Source: The Ferengi Rules of Acquisition (DS9 reference book)

Ferengi Rule of Acquisition 23

"Nothing is more important than your health...except for your money."

Source: Acquisition (ENT episode)

Ferengi Rule of Acquisition 34

"War is good for business."

Source: Destiny (DS9 episode); The 34th Rule (DS9 novel)

Ferengi Rule of Acquisition 40

"She can touch your lobes but never your latinum."

Source: The Ferengi Rules of Acquisition (DS9 novel)