The concept of law involves the union of primary and secondary rules.
追求知识是一段永无止境的旅程,这正是它如此令人兴奋的原因。
The task of philosophy is to make the world more human.
【译文】所谓仁人,自己想要成功,先要帮别人成功,自己想要通达,先要帮别人通达。凡事都能将心比心,推己及人,可算是实行仁的方法啊。