utprekṣitasāmānyākāreṇa ca nirdeśe varamekayaiva śrutyā pratipādanaṃ, na cāsya pṛthakpṛthakpratipādanaprayāsasya kiñcitphalamupalabhyata iti naiphalyadoṣaḥ /
And when referring [to them] through an imagined common form, it is better to express [them] by a single term, and since no purpose is achieved by the effort of expressing [them] individually, this is the fault of futility.