Caitanya-caritāmṛta 22.148
vaidhī-bhakti-sādhanera kahiluṅ vivaraṇa rāgānugā-bhaktira lakṣaṇa śuna, sanātana
[vaidhee-bhakti-saadhanera kahilun vivarana raagaanugaa-bhaktira lakshana shuna, sanaatana]
Blended reading (Sanskrit + English inline)
vaidhī-bhakti-sādhanera kahiluṅ vivaraṇa rāgānugā-bhaktira lakṣaṇa śuna, sanātana
“My dear Sanātana, I have now in detail described devotional service according to the regulative principles. Now hear from Me about spontaneous devotional service and its characteristics.
My note
Source: vedabase.io