The most important political development of the last two centuries has been the rise of the modern state.

译文：识破人情冷暖，就会吓坏我们，看穿世间的事情，我们的内心就会寒心。赏析：世间的一切事就如人饮水，冷暖自知。人情淡薄，世态炎凉是人之常情，我们不可过多地为此伤透脑筋。放一颗平常心，过好自己的人生就行。

Collaboration across borders is essential—fish don't recognize national boundaries, and neither should our efforts to protect them.

理论物理学是唯一一个你可以通过犯错来谋生的科学。

Second place means you is the number one loser.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

为明天做的最好准备就是今天做到最好。