Most people are afraid of change，but if you look at it as something you can count on，then it can be a comfort.There's not many things you can really count on.

The quality of an organization is determined by the quality of its leadership.

过去是紧贴我们脚跟的影子。

You don't lead by hitting people over the head—that's assault， not leadership.

The study of algorithms is not just about solving problems, but about understanding the limits of what is computationally possible.

The soul is a fire that darts its rays through all the senses; it is in this fire that existence consists.

The joy of discovery is what drives mathematicians forward.