Science teaches us humility, for every discovery reveals the vastness of our ignorance.

The strength of liberal democracy lies in its ability to adapt and reform itself.

Sustainable development requires balancing economic benefits with environmental protection.

请转告我对这家饭店厨师的赞誉，这是全世界最糟糕的三明治了，还有，我点的是豆瓣菜三明治，我并不是要面包片中夹一块菜田。

真相很少是纯粹的，也从不简单。