大脑就像肌肉一样，当我们使用时会感到愉悦。理解是充满欢乐的。
The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
在必要时，一个国家杀死暴君的权利永远不应受到质疑。
你无法改变过去，但可以塑造未来。
Free trade enables the most advantageous distribution of the national produce and revenue.
We must design products with their end-of-life in mind from the very beginning.
Patience is a virtue in trading; don't rush into decisions.
The pace of change demands agility—both in thought and action.
合作是解决复杂问题的关键。