3
Never spend more for an acquisition than you have to.
7
Keep your ears open.
9
Opportunity plus instinct equals profit.
10
Greed is eternal.
16
A deal is a deal.
21
Never place friendship above profit.
22
A wise man can hear profit in the wind.
34
War is good for business
35
Peace is good for business
45
Expand or die
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.
94
Females and finances don't mix.
98
Every man has his price.
109
Dignity and an empty sack is worth the sack.
125
You can't make a deal if you're dead.
168
Whisper your way to success
190
Hear all, trust nothing.
203
New customers are like razor-toothed gree-worms. They can be succulent, but sometimes they bite back.
214
Never begin a negotiation on an empty stomach.
217
You can't free a fish from water.
285
No good deed ever goes unpunished.
http://en.memory-alpha.org/wiki/Rules_of_Acquisition#cite_ref-10