Valmiki Ramayana Bala Kanda Sarga 65 Shloka 10

देव O Divine lord, महामुनि: great ascetic, विश्वामित्र: Visvamitra, बहुभि: with various, कारणै: by reasons, लोभित: having been lured, क्रोधितश्चैव having been angered, तपसा with his austerities, अभिवर्धते is growing:

"O Lord the great sage Viswamitra was lured and angered in various ways. But his austerities continued to grow: