Life is what happens when you're busy making other plans.
Always be learning. The market is constantly changing, and you need to keep up with it.
无论我们观察到多少只白天鹅,都不能证明所有天鹅都是白色的。
【译文】他人骑大马我骑毛驴,仔细想想,我不如他,回头看了一下,还有不如我徒步肩挑的人呢。
积极心理学最重要的原则是:他人很重要。