A wise man said: before you speak， let your words pass through three gates. At the first gate， ask yourself， "Is it true？" At the second gate， ask "Is it necessary？" At the third gate， ask， "Is it kind？"

"Theoretical computer science is a field where deep mathematical insights lead to practical computational tools."

As an architect, you design for the present, with an awareness of the past, for a future which is essentially unknown.

我是自己心灵的囚徒，但艺术让我自由。

I'm a true believer that if you put in the work, the results will come.

Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.