। । ॥ ५९६ ॥
In plain words
When thus challenged, what possible answer can the deeply deluded nihilist offer? There is neither valid evidence nor a coherent speaker. For who else, other than the supreme Self, could be the witness of the emptiness of deep sleep?
Close to the Sanskrit
Thus questioned, what answer will the most deluded person give? There is indeed no appropriate logical mark, nor any speaker. Who else except the Self is the knower of the void existing in deep sleep?