Srimad Bhagavatam Canto 04, Chapter 20, Text 19

SB 4.20.19

bhagavan atha visvatma
prthunopahrtarhanah
samujjihanaya bhaktya
grhita-caranambujah
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
 
King Prthu abundantly worshiped the lotus feet of the Supreme Personality of Godhead, who was so merciful to him. While worshiping the lotus feet of the Lord, Prthu Maharaja gradually increased his ecstasy in devotional service.
 
Purport by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
 
When various ecstasies appear in the body of a devotee, it is to be understood that his devotional service has become perfect. There are many types of transcendental ecstasies in the forms of crying, laughing, perspiring, falling down, and crying like a madman. All these symptoms are sometimes visible on the body of a devotee. They are called asta-sattvika-vikara, which means “eight kinds of transcendental transformations.” They are never to be imitated, but when a devotee actually becomes perfect, these symptoms are visible on his body. The Lord is bhakta-vatsala, which means that He is inclined toward His pure devotee (bhakta). Therefore the transcendental ecstatic transaction between the Supreme Lord and His devotee is never like the activities of this material world.
Srimad Bhagavatam Canto 04, Chapter 20, Text 18
Srimad Bhagavatam Canto 04, Chapter 20, Text 20