To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.
虚荣和傲慢是不同的东西,尽管这两个词经常被用作同义词。
释义:天之险在于高不可升,地之险在于山川丘陵。王公设险以保卫国家,险的功用非常大。