Debt
A debt that will not be repaid is a theft. A system based on debt only works if the creditors believe they will get their money back. Creditors will only believe they will get their money back if the promises made by the debtors are creditable. To take an analogy: if I say I will pick your kid up from school tomorrow, you will probably believe me if we know one-another and our friends go to the same school; but if I say I will pick your kid up from school for the rest of the