The saddest thing about love is that not only that it cannot last forever, but that heartbreak is soon forgotten.

谦逊是科学家所能拥有的最大美德。

Collaboration across borders and industries is key to solving the complex problems we face today.

过去总是紧张的，未来才是完美的。

Materials should be allowed to speak for themselves.

My expectations were reduced to zero when I was 21. Everything since then has been a bonus.

解释：放开人民的嘴，让他们有话直说，政事的善恶好坏就都可以清楚。

社会系统是个人之间以及群体之间关系的系统。