I see, I forget; I hear, I remember; I have done, I understand.
我看到了,我忘记了;我听到了,我记住了;我做过了,我理解了。
The true measure of a man is how he treats someone who can do him absolutely no good.
The test of a psychological theory is its applicability to life.
Don't worry about what anybody else is going to do. The best way to predict the future is to invent it.
Life is a gift, and it offers us the privilege, opportunity, and responsibility to give something back by becoming more.
The study of ancient DNA is like opening a window to the past.