The only performance standard is Zero Defects.
Art should serve the people.
如果你不知道,意見有什么用?
I am not without possessions; I have freedom.
You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.
在數學中,提出問題的藝術必須比解決問題更有價值。