技术必须回归本质，解决真实问题。
Just as in a good novel， a good program must be full of interesting ideas， and very， very few words.
I'm not afraid of dying, I'm afraid of not trying.
The boundary between inside and outside is not a line, but a gradient.
出自先秦《荀子·不苟》。君子加强道德修养没有比“诚”更重要的，达到了“诚”的要求也就到了修身养性的最高境界了。