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。
Three grand essentials to happiness in this life are something to do, something to love, and something to hope for.
Success comes from collaboration, not competition.
The best way to predict your future is to create it.
Literature is the memory of humanity, a bridge between past and future.