"A book is a gift you can open again and again."

Quality is not a concept; it is a reality.

人类最古老而强烈的情绪，便是恐惧；而最古老最强烈的恐惧，便是对未知的恐惧。

The goal of software engineering is to control complexity, not to create it.

最好的建筑源于必要和爱。