jatanurago druta-citta uccaih
hasaty atho roditi rauti gayaty
unmada-van nrtyati loka-bahyah
evam-vratah—when one thus engages in the vow to chant and dance; sva—own; priya—very dear; nama—holy name; kirtya—by chanting; jata—in this way develops; anuragah—attachment; druta-cittah—very eagerly; uccaih—loudly; hasati—laughs; atho—also; roditi—cries; rauti—becomes agitated; gayati—chants; unmada-vat—like a madman; nrtyati—dancing; loka-bahyah—without caring for outsiders.
" 'When a person is actually advanced and takes pleasure in chanting the holy name of the Lord, who is very dear to him, he is agitated and loudly chants the holy name. He also laughs, cries, becomes agitated and chants just like a madman, not caring for outsiders.'
Link to this page: https://prabhupadabooks.com/cc/adi/7/94