"You can't manage what you don't measure."

Small, deliberate actions practiced consistently can lead to big changes in happiness levels.

我是一个美国黑人，我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。

理解生命的机制就像解开宇宙最大的谜团。

这不仅不正确，甚至算不上错误。