人类认知的力量来自于其概括的能力。
计算机科学的挑战不仅在于创造新技术，还在于确保它们被道德和负责任地使用。
Death is not the opposite of life, but part of it.
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.
如果你想解决大问题，首先要提出正确的问题。