SB 10.46.27
sri-suka uvaca
iti samsmrtya samsmrtya
nandah krsnanurakta-dhih
aty-utkantho ’bhavat tusnim
prema-prasara-vihvalah
Translation:
Sukadeva Gosvami said: Thus intensely remembering Krsna again and again, Nanda Maharaja, his mind completely attached to the Lord, felt extreme anxiety and fell silent, overcome by the strength of his love.