The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves.

解释：上等的医生能够医治国家，次一等的只会医治病人，这本来就是医生的职守。

机器学习的力量在于它能够发现数据中人类观察者不易立即察觉的模式和关系。

The ocean doesn't belong to any one nation; it's a shared resource that requires global stewardship.

I always try to learn from my mistakes.

我的心是旷野的鸟，在你的眼睛里找到了天空。