乐观主义者认为这是所有可能世界中最好的一个。悲观主义者知道确实如此。
保持专注，专注于你的目标。
In quantum mechanics, we have to abandon the idea that particles have definite properties before measurement.
计算机科学的美在于它能够通过优雅而高效的算法解决复杂问题。
激励很重要，因为它们以可预测的方式引导行为。
On pivoting: "If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve."
Sometimes the most powerful moments come from what you leave out.