"Positive psychology is not a spectator sport."

在不断变化的全球经济中，适应性至关重要。

我写的每一首歌都是我内心的一部分。

You can try and read my lyrics off of this paper before I lay 'em, but you won't take the sting out these words before I say 'em.

系统越复杂，理解越少。