Don't go around saying the world owes you a living. The world owes you nothing. It was here first.

言语得当，是智慧的表现；沉默得当，也是智的表现。

Luxury is not about buying expensive things. It's about living in a way where you appreciate things that are well made, that last.

解析：良知在未发之时即已存在。

创新是可持续农业的关键。