The beauty of mathematics is that it is a language that can describe the universe in a way that nothing else can.
数学的美在于它是一种可以以其他任何方式都无法描述宇宙的语言。
The only limits that exist are the ones you place on yourself.
解释:割地给秦国(来求得暂时的安稳),就好像抱着木柴救火一样,木柴烧不不完,火就不会灭。