The only way to learn a new programming language is by writing programs in it.

教育是在所学知识被遗忘后仍能留存的东西。

To understand the future of secure communication, one must first understand the limitations of current cryptographic methods.

Your most unhappy customers are your greatest source of learning.

质量不是一种工具，而是一种心态。

定义就是限制。