The concept of law is a complex one, involving not only rules but also principles, policies, and standards.

Food is the universal language of kindness.

当人伸手去摘星星时，常常会忘记脚下的花朵。

化学中最重要的工具不是烧杯或光谱仪，而是想象力。

No man's knowledge here can go beyond his experience.

你不能靠你将要做什么来建立声誉。

科学是我们解开生命之谜的工具。