yadyevaṃ dikśrotram ityevam api vede noktam, tat kathaṃ labhyata ity āha diśaḥśrotram ityādi
If this is so, [and if] "space is the auditory organ" is also not directly stated in the Veda, then how is this notion obtained? [To this] he says "the auditory organ [dissolves into] space" etc.