na cāpi yato yat prathamataramutpadyamānaṃ niścitaṃ tat tato 'nyasmāt prathamataram udayam āsādayaty ahetukatvaprasaṅgāt /
And when something has been ascertained to be produced first from a particular [cause], it cannot arise first from something else, as [this would] lead to [the unwanted consequence of its] being without cause.