【译文】 司马牛问君子。孔子说：“君子不忧不惧。”问：“不忧不惧，就能叫做君子吗？”孔子说：“问心无愧，何来忧惧？”

You are allowed to be both a masterpiece and a work in progress simultaneously.

Fear does not prevent death. It prevents life.

我用血写作，因为我记得流血的感觉。

做数学的过程比结果更重要。