When an object is lost， 95% of the time it is hiding within arm’s reach of where it was last seen. Search in all possible locations in that radius and you’ll find it.

Start where you are, with what you have. Make something of it and never be satisfied.

为你，千千万万遍。

软件工程的目标是创建可靠、高效且易于理解和修改的系统。