In mathematics, truth is somewhere out there in a place we don’t yet know, and the only way we can hope to find it is by exploring.
(一味追求智巧)对上而言遮蔽了日月的光辉,对下而言消蚀了山川的精华,对中间而言毁坏了四时的交替,就连地上的爬虫,空中的飞蛾,都会失去它们的本性。