守夜人誓言：「长夜将至,我从今开始守望,至死方休.我将不娶妻、不封地、不生子.我将不戴宝冠,不争荣宠.我将尽忠职守,生死於斯.我是黑暗中的利剑,长城中的守卫.我是抵御寒冷的烈焰,破晓时分的光线,唤醒死者的号角,守护王国的铁卫.我将生命与荣耀

守夜人誓言：「长夜将至,我从今开始守望,至死方休.我将不娶妻、不封地、不生子.我将不戴宝冠,不争荣宠.我将尽忠职守,生死於斯.我是黑暗中的利剑,长城中的守卫.我是抵御寒冷的烈焰,破晓时分的光线,唤醒死者的号角,守护王国的铁卫.我将生命与荣耀献给守夜人,今夜如此,夜夜皆然.」
Night watcher swear（"Night gathers,and now my watch begins.It shall not end until my death.I shall take no wife,hold no lands,father no children.I shall wear no crowns and win no glory.I shall live and die at my post.I am the sword in the darkness.I am the watcher on the walls.I am the fire that burns against the cold,the light that brings the dawn,the horn that wakes the sleepers,the shield that guards the realms of men.I pledge my life and honor to the Night's Watch,for this night and all the nights to come."）
守夜人誓言出自哪里?请详细说明出处~