Humanity's greatest enemy is itself.
The only thing of value is the thing you cannot buy.
The challenge of computer science is not just to build faster machines, but to understand the very fabric of computational possibility.
可持续性不再是一个选择；它是乳制品农业未来的必需品。
生活的目的不是快乐。它是有用的，是光荣的，是富有同情心的，是让你活得有意义，活得好。
I disapprove of what you say， but I will defend to the death your right to say it.