佛說觀佛三昧海經 5.15

5.15

「爾時空中有諸鐵鳥，口嘴吐火從空中下，破頭啄腦，罪人即死。命終之後，獄卒復以鐵叉打地，喚言：『活活。』應聲即穌。起已思念：『我今身上大火猛熾，願得前氷以滅此火。』獄卒復以氷輪迎接，置與獄中，如是十八鬲中無不經歷。此寒地獄壽命歲數，如四天王日月八千萬歲。罪既畢已，生賤人中貧窮鄙陋，五百世中為人奴婢，衣不蔽形食不充口，此罪畢已遇善知識發菩提心。」

"At that time, there are iron birds in the air that spit fire from their beaks and descend from the sky, cracking their skulls and pecking at their brains, so that the sinner immediately dies. After their life ends, the hell-wardens strike the ground with iron pitchforks and call out: 'Live! Live!' At the sound, they immediately revive. Having arisen, they reflect: 'A great fire blazes fiercely upon my body now; I wish to obtain the former ice to extinguish this fire.' The hell-wardens again greet them with ice wheels and cast them into the hell, so that there is none of the eighteen compartments they do not pass through. The measure of lifespan in years in this cold hell is eighty million years according to the days and months of the Four Heavenly Kings. Once their sin is exhausted, they are born among lowly people, impoverished and despised, serving as slaves to others for five hundred lifetimes, with clothes that do not cover their forms and food that does not fill their mouths. Once this sin is exhausted, they meet a kalyāṇamitra and arouse bodhicitta."