21. We know, however, that it survives the body, and that being set free from the bars of the body, it sees with clear gaze those things which before, dwelling in the body, it could not see. And we are able to judge of this by the instance of those who have visions of things absent and even heavenly in sleep (whose minds, when the body is as it were buried in sleep, rise to higher things and relate them to the body). So, then, if death frees us from the miseries of this world, it is certainly no evil, inasmuch as it restores liberty and excludes suffering.