But when we base our happiness on achievement, we've joined the cult of productivity. Being productive is no longer a means to an end.

但是，当我们把我们的快乐建立在成就上，我们就会对大量做事有着狂热的追求。

youdao

But there is a caveat: your happiness boosters should not be dangerous, like driving fast, or counter-productive, like eating lots of chocolate.

但有一个前提：你的不快乐是危险的助推器，就像是吃了很多巧克力的一样。

youdao

is the concept of man as a heroic being, with his own happiness as the moral purpose of his life, with productive achievement as his noblest activity, and reason as his only absolute."

VOA: special.2010.06.06