Devotional service in spontaneous love is vividly expressed and manifested by the inhabitants of Vrndavana. Devotional service that accords with their devotional service is called raganuga bhakti

Expressions researched:
"Devotional service in spontaneous love is vividly expressed and manifested by the inhabitants of Vṛndāvana. Devotional service that accords with their devotional service is called rāgānugā bhakti"

Sri Caitanya-caritamrta

CC Madhya-lila

Devotional service in spontaneous love is vividly expressed and manifested by the inhabitants of Vṛndāvana. Devotional service that accords with their devotional service is called rāgānugā bhakti, or devotional service following in the wake of spontaneous loving service.

CC Madhya 22.154, Translation and Purport

Devotional service in spontaneous love is vividly expressed and manifested by the inhabitants of Vṛndāvana. Devotional service that accords with their devotional service is called rāgānugā bhakti, or devotional service following in the wake of spontaneous loving service.

This verse is also found in the Bhakti-rasāmṛta-sindhu (1.2.270).