Quid pro quo
I don't know about you, but "quid pro quo" has never been a household term in my world. These days, however, it is bantered about frequently, and mostly in a pejorative manner. Near as I can tell, the term involves such things as an exchange, a trade off, or reciprocity. You scratch my back, and I'll scratch yours. Cub Foods comes to mind: we'll sell you various food items at lower than retail, and in return, you help us by running the cash register, stocking the shelves so many hours per week/month. Not a new concept (skin in the game), but one involving win/win.
When you get down to it, other than unconditional love, isn't life a matter of "quid pro quo"? The only altruist is God almighty. He created us out of love, and loves us unconditionally. He does expect us to act in a certain manner: "If you love me, you will keep my commandments." That also involves free will and the consequences that go with it. Some would say that too is a quid pro quo.
It seems like no stretch to consider this country's foreign policy a prime example of quid pro quo. The United States provides billions in foreign aid, with the expectation that the recipient will promote/respect human rights, act in a peaceful way toward visiting Americans, and employ fair trade practices. Were the benefitting country to renege, you can bet the aid would diminish or vanish. Quid pro quo — what is all the fuss? It's the way of the world, and has been with us for centuries.
— Bill Kersting, Spencer