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.