Knowledge Has No Limit

请不要忽视优雅代码的力量，它会成倍提升你的编码效率、成倍降低后期维护成本，甚至成倍提升你的扩展性和成倍降低你写bug的可能性~

If you give someone a program, you will frustrate them for a day; if you teach them how to program, you will frustrate them for a lifetime. （如果你交给某人一个程序，你将折磨他一整天；如果你教某人如何编写程序，你将折磨他一辈子。） – 摘自程杰《大话数据结构》

设计精良的模块和设计糟糕的模块的唯一最大区别，就是对其他模块隐藏本模块内部数据和其他实现细节的程度。——Joshua Bloch

The single most important factor that distinguishes a well-designed module from a poorly designed one is the degree to which the module hides its internal data and otherimplementationdetails from other modules. —Joshua Bloch