There's actually a lot of evidence in primates and other animals that they return favors. — Frans de Waal Copy Share Image
All men, or most men, wish what is noble but choose what is profitable; and while it is noble to render a… — Aristotle Copy Share Image
It's normal for people, especially politicians, to expect rewards in return for favors. — Tucker Carlson Copy Share Image
That which occasions so many mistakes in the computations of men, when they expect return for favors, is that the giver's pride… — Francois de La Rochefoucauld Copy Share Image
