 स कृत्वा नैष्ठिकीं बुद्धिं जेतुकामो महायशा:।कौशिकीतीरमासाद्य तपस्तेपे सुदारुणम्।। 
 Illustrious Viswamitra took a vow of celibacy in order to control his senses. And performed rigid austerities on reaching the bank of river Kausiki. 