Tighter than non-existence is thought's realm, that's why it causes griefs that overwhelm. temporal existence is more cramped than thought, that's why the moon shrinks almost to a dot; the sensual world's more cramped than this as well, it is the most restrictive prison cell. what makes it narrow? multiplicity: our senses drag us to plurality. unity's not what senses can perceive— if that's your goal, then this realm you must leave.