is the ability to resolve conflicting arguments.
we were discussing the concept of fraud and how easy it is in todays world where nobody really checks on signatures and the petrol guy will take your debit card, and charge it and bring it back to you in some time. all that time it is out of your eyes, and well, he could have bought some pepsi with it. hey, its possible rite?!
so why doesnt he do it. its so much moral insanction that he just doesnt want to go into all that trouble.he might lose his job if there is a complaint. he might be arrested. hell, even the shop he buys the pepsi probably wont give him the pepsi cause they will probably know him. there are just too many checks.
guess thats why we are so trusting. because of the society inbetween.