The process of grouping, of organization, is not arbitrary but follows definite laws.

You have to be willing to fail to succeed.

里氏替换原则是面向对象编程中的一个基本概念，确保派生类可以替代其基类使用，而不会改变程序的正确性。

We are all exiles in some way, searching for a home that may not exist.

建筑师必须在大自然的力量面前保持谦卑。