最重要的是拥有一个孩子，其他一切都是次要的。

谦逊是科学家所能拥有的最大美德。

If I fail, I try again, and again, and again. If YOU fail, are you going to try again? The human spirit can handle much worse than we realize. It matters HOW you are going to FINISH. Are you going to finish strong?

The world must be set in order. The time has come when ethics must be dealt with by science, and never again by mere opinion.

鱼是我所喜欢的，熊掌也是我所喜欢的，两种东西不能同时拥有，就舍弃鱼去取得熊掌。生命是我所喜欢的，义也是我所喜欢的，如果两种东西不能同时拥有，就舍弃生命去取得大义。