《论衡·卷七·道虚篇》
不知道离开了多少年月，也不知道因为犯了什么过错，忽然像睡着一样，又被降到这里。 
不知去几何年月，不知以何为过，忽然若卧，复下至此。 
I don't know how many years have passed, nor do I know what mistake I made, but suddenly, like sleeping, I was sent back here.