No arts； no letters； no society； and which is worst of all， continual fear and danger of violent death； and the life of man， solitary， poor， nasty， brutish， and short.

"The study of computational complexity teaches us that some problems are inherently difficult, no matter how clever our algorithms are."

The best way to predict the future is to create it.

Literature is the art of finding the extraordinary in the ordinary.

爱是一种推动我们继续前进的力量，尽管一切。

Be prepared: When you are 90% done any large project (a house， a film， an event， an app) the rest of the myriad details will take a second 90% to complete.

Play is the work of childhood.