mahā-viṣṇura—of Lord Mahā-Viṣṇu; niśvāsera—of the exhalations; nāhika paryanta—there is no limit; eka manvantara-avatārera—of only one feature of the Lord, namely the manvantara-avatāra; dekha—just see; lekhāra anta—it is beyond the power of writing.