अन्यमन्त्रैः कृतं कर्म बन्ध्यास्त्रीसङ्गमो यथा ।
न तत्र फलसिद्धिः स्यात् श्रम एव हि केवलम् ॥१७॥
anyamantraiḥ kṛtaṃ karma bandhyāstrīsaṅgamo yathā |
na tatra phalasiddhiḥ syāt śrama eva hi kevalam ||17||
— by other mantras; — performed; — rite; — union with a barren woman; — like; — not; — therein; — attainment of fruit; — would be; — toil; — only; — indeed; — merely
A rite performed with other mantras is like union with a barren woman: no fruit can be attained thereby—only toil remains.