harṣaṁ prāpnoti tad-guṇaiḥ

antah-puram-private residence; ca-and; hrdayam-the heart; visucih-the servant named Visucina; manah-the mind; ucyate-is said; tatra-there; moham-illusion; prasadam-satisfaction; va-or; harsam-jubilation; prapnoti-obtains; tat-of the mind; gunaih-by the modes of nature.