prāktany ādhunikī cāsti yasya sad-bhakti-vāsanā
prāktany ādhunikī cāsti yasya sad-bhakti-vāsanā |
eṣa bhakti-rasāsvādas tasyaiva hṛdi jāyate ||
(Bhakti-rasāmṛta-sindhu: 2.1.6)
“The taste of bhakti-rasa arises only in the heart of one who has a prior and a present vāsanā (affinity) for pure bhakti [i.e., saṁskāras for bhakti that were formed in one’s previous life (or lives) and one’s present life].”