Manusmriti
इन्द्रियाणां जये योगं समातिष्ठेद् दिवानिशम् । जितैन्द्रियो हि शक्नोति वशे स्थापयितुं प्रजाः ॥ ४४ ॥
Day and night he must strenuously exert himself to conquer his senses; for he (alone) who has conquered his own senses, can keep his subjects in obedience
english translation
indriyANAM jaye yogaM samAtiSThed divAnizam । jitaindriyo hi zaknoti vaze sthApayituM prajAH ॥ 44 ॥
hk transliteration by Sanscript