The saddest thing about love is that not only that it cannot last forever, but that heartbreak is soon forgotten.
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.
最好的学习方法就是动手去做——在实验室里亲自动手。