A great many men's gratitude is nothing but a secret desire to hook in more valuable kindnesses hereafter.

A great many men's gratitude is nothing but a secret desire to hook in more valuable kindnesses hereafter.

许多人的感激之情不过是一种暗地里的渴望，希望今后能得到更多有价值的恩情。

-- Francois VI, Duc De La Rochefoucauld 弗朗索瓦六世，罗切福科公爵