Manusmriti
इन्द्रियाणां विचरतां विषयेष्वपहारिषु । संयमे यत्नमातिष्ठेद् विद्वान् यन्तैव वाजिनाम् ॥ ८८ ॥
A wise man should strive to restrain his organs which run wild among alluring sensual objects, like a charioteer his horses.
english translation
indriyANAM vicaratAM viSayeSvapahAriSu । saMyame yatnamAtiSThed vidvAn yantaiva vAjinAm ॥ 88 ॥
hk transliteration by Sanscript