I never liked this quote, because it makes help a matter of anticipated reciprocal help rather than simply a good thing to do. Besides, memories are short.
How much "good thing [we] do" is based on anticipated reward has been a topic of debate for roughly as long as we've had language, but I'll take anything that convinces people like that to actually care about people other than themselves.
How much "good thing [we] do" is based on anticipated reward has been a topic of debate for roughly as long as we've had language, but I'll take anything that convinces people like that to actually care about people other than themselves.