大多数人发现编程的概念很明显，但是做不到。
Most people find the concept of programming obvious, but the doing impossible.
【释义】：礼节重在相互回应。送出礼遇而对方不回应，这是不合礼数的；接受了别人的礼遇却不回报，同样也是不符合礼的要求。
The growth of an enterprise is a process of continuous trial and error.
There is no trap so deadly as the trap you set for yourself.