世界上充满了显而易见的事物,却没有人注意到它们。
The hardest single part of building a software system is deciding precisely what to build.
Sometimes you put walls up not to keep people out,but to see who cares enough to break them down.
Mathematics teaches us to think logically and to approach problems systematically.
你必须适应,否则就会被淘汰。
If you're not adapting, you're falling behind.