Caitanya-caritāmṛta 6.114
saṅkīrtana pracāriyā saba jagat tārila advaita-prasāde loka prema-dhana pāila
[sankeertana prachaariyaa saba jagat taarila advaita-prasaade loka prema-dhana paaila]
Blended reading (Sanskrit + English inline)
saṅkīrtana pracāriyā saba jagat tārila advaita-prasāde loka prema-dhana pāila
He liberated the universe by preaching saṅkīrtana. Thus the people of the world received the treasure of love of Godhead through the mercy of Śrī Advaita.
My note
Source: vedabase.io