化学的艺术在于能够分离、识别并确定构成物质的成分及其数量。

Architecture is not just about creating beautiful forms, it's about solving problems.

在一切事情中，创造系统是必要的。

The truth is rarely pure and never simple.

Anarchy is the permissive cause of war; it creates an environment in which states have to rely on self-help to ensure their survival.