一个民族的历史，本质上是其统治阶级的历史。
The history of a nation is, in essence, the history of its ruling class.
Successful people maintain a positive focus in life no matter what is going on around them. They stay focused on their past successes rather than their past failures, and on the next action steps they need to take to get them closer to the fulfillment of their goals rather than all the other distractions that life presents to them.
可持续性不是流行语，而是商业的必要条件。
在互联网时代，速度比完美更重要。
学习是系统中产生的任何变化，这种变化或多或少会永久性地改变其适应环境的能力。
Flourishing rests on five pillars: positive emotion, engagement, relationships, meaning, and accomplishment.