你穿过的门原来是什么样子，走过去以后也要保持那个样子。
人心充满私欲，所以危险；道心符合天理，所以精妙。
A book should feel like an adventure, even if it’s just about a day at home.
Positive emotions broaden our awareness and encourage novel, varied, and exploratory thoughts and actions. Over time, this broadened behavioral repertoire builds skills and resources.