Once you have done a man a service, what more reward would you have? Is it not enough to have obeyed the laws of your own nature, without expecting to be paid for it?
Marcus AureliusAlways run to the short way; and the short way is the natural: accordingly say and do everything in conformity with the soundest reason. For such a purpose frees a man from trouble, and warfare, and all artifice and ostentatious display.
Marcus Aurelius