You think you know when you can learn, are more sure when you can write, even more when you can teach, but certain when you can program.
数学之美在于它能够将复杂的事物简化。
The only way to do great work is to love what you do.
善不是出自内心的,不能保留;行为不能从自身辩明的,不能去做。善不是出自内心的,只能够勉强支撑一时,必然不能长久。所以也只能使伪善。
Our industry's license to operate is written in the ink of social consent.