CC Madhya 20.106
sidhyaty eṣām abhīpsitaḥ
yeṣāṁ nirbandhinī matiḥ
acirāt — very soon; eva — certainly; sarva-arthaḥ — the goal of life; sidhyati — becomes fulfilled; eṣām — of these persons; abhīpsitaḥ — desired; sat-dharmasya — of the path of progressive devotional service; avabodhāya — for understanding; yeṣām — those whose; nirbandhinī — unflinching; matiḥ — intelligence.
“ ‘Those who are eager to awaken their spiritual consciousness and who thus have unflinching, undeviated intelligence certainly attain the desired goal of life very soon.’
This verse, quoted from the Nāradīya Purāṇa, is found in the Bhakti-rasāmṛta-sindhu (1.2.103).