Agni Purana 81.8

81.8

sādhikārānadhikārā yathā tadabhidhīyate /
samayācārasaṃyuktā savījā jāyate nṛṇāṃ //

with qualification (sādhikārā) and without qualification (anadhikārā). That is now explained: / [Initiation] endowed with conventional observances (samayācāra) is 'with seed' for men;