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Here is a quick answer. Paper=Money,or people who have alot of it. Rock=Power, like military or political powers. Scissors=Science, or "cutting" edge technology. Those with money, like governments, are able to buy power(military, votes, ect.) to accomplish what they need. In order to keep the their "power", money needs to buy "scissors", or technology, in order to keep the "rock" strong.
I had to post this hilarious list from www.funny2.com/college But you don’t learn these things in class Quarters are like gold.Flip-flops become as important as soap, and shampoo. Asleep by 2:30 AM is an early night. New additions to the food groups: Mountain Dew, Doritos, Ben & Jerry’s, Ho-Hos and Oreos. Make sure your alarm clock has back-up batteries.