What I want to talk to you about today is the difference between gifts and choices. Cleverness is a gift， kindness is a choice. Gifts are easy -- they're given after all. Choices can be hard. You can seduce yourself with your gifts if you're not careful， and if you do， it'll probably be to the detriment of your choices.
选择比天赋更重要 今天我想对你们说的是，天赋和选择不同。聪明是一种天赋，而善良是一种选择。天赋得来很容易——毕竟它们与生俱来。而选择则颇为不易。如果一不小心，你可能被天赋所诱惑，这可能会损害到你做出的选择。
Collaboration across borders is essential—fish don't recognize national boundaries, and neither should our efforts to protect them.
热力学第二定律，以克劳修斯给出的形式，告诉我们自然界存在趋向某种我们称之为热平衡状态的倾向。
我宁愿因为做真实的自己而被讨厌，也不愿因为伪装而被喜爱。
你必须不断思考你能做些什么来让世界变得更美好。
解释：走夜路的人可以保证自己不做坏事，但却没有办法让狗不对着自己乱叫。