Originally Posted by BlueAngel
Quoting the definitions of usury and speculation by Wikipedia doesn't explain your comment that they use money to create money.
USING your own words to explain your comment that they use money to create money is requested.
What's not to understand? With usury, you loan your money to others and receive profit from it without doing any work yourself (you just provide the money and that's it). With speculation, you do pretty much the same except that the risks for losing the investment of parts thereof is greater. However, in both cases it is money that creates money whereas in a healthy economy only labor should create money.