《汉书·传·王贡两龚鲍传》
我又暗自伤心离家三千里，衹有一个刚年满十二岁的儿子，没有人能在家为我置办棺椁，养老送终。
自痛去家三千里，凡有一子，年十二，非有在家为臣具棺椁者也。
I am also heartbroken that, having traveled thousands of miles away from home, I have only a son who just turned twelve. There is no one home to prepare a coffin for me or to care for me in my old age.