挑战是伪装的机会，用勇气和创造力去迎接它们。
Challenges are opportunities in disguise; embrace them with courage and creativity.
孩子本身就是一个现实，而不仅仅是一个过渡性的存在。
A good algorithm is like a sharp knife—it does exactly what it is supposed to do with a minimum of effort.
最好的想法往往来自那些最接近问题的人。