Life is short, and it's up to you to make it sweet.
Freedom is a condition of mind,and the best way to secure it is to breed it.
模块化对于构建大型系统至关重要,因为它允许我们将复杂的问题分解为更小、更易管理的部分。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.