Banks are twice as efficient. "Able to process a higher amount of transactions. Careful though, as taller tellers tell tall tales."
Scissor-resistant credit cards
Banks are twice as efficient. "For those truly valued customers."
Banks are twice as efficient. "You know what they say : better safe than sorry."
Banks are twice as efficient. "This revolutionary currency is much easier to melt from and into ingots - and tastes much better, for a change."
Exponential interest rates
Banks are twice as efficient. "Can't argue with mathematics! Now fork it over."
Banks are twice as efficient. "The ultimate grail of economic thought; the feng shui of big money, the stock market yoga - the Heimlich maneuver of dimes and nickels."
Way of the wallet
Banks are twice as efficient. "This new monetary school of thought is all the rage on the banking scene; follow its precepts and you may just profit from it."
The stuff rationale
Banks are twice as efficient. "If not now, when? If not it, what? If not things... stuff?"
Banks are twice as efficient. "It's really quite simple; you make all currency too delicious not to eat, solving world hunger and inflation in one fell swoop!"
Banks are twice as efficient. "We let the public think these are complicated financial terms when really we're just rewarding the bankers with snazzy bicycles for a job well done. It's only natural after you built those fancy gold swimming pools for them, where they can take a dip and catch Kondratiev waves."
Rules of acquisition
Banks are twice as efficient. "Rule 387 : a cookie baked is a cookie kept."
The "Need for greed" achievement refers to a quote from Top Gun: "I've got the need...the need for speed!" It could also refer to a subsequent video game franchise Need for Speed as well as the film adaptation of the same name.
The "A loan in the dark" is a reference to the series of video games "Alone in the Dark".