The leather industry must evolve or risk becoming obsolete.

我扮演的每个角色都是我的一部分，而我是他们的一部分。

A good abstraction is one that captures the essential aspects of a concept while ignoring the irrelevant details.

Modularity is essential for building large, maintainable systems, as it allows us to break down complex problems into smaller, more manageable parts.

生活就像一面镜子，你朝它皱眉，它也朝你皱眉；你微笑，它也报以微笑。