Ch 02 : Sh 68
तस्माद्यस्य महाबाहो निगृहीतानि सर्वशः ।
इन्द्रियाणीन्द्रियार्थेभ्यस्तस्य प्रज्ञा प्रतिष्ठिता ॥
tasmad yasya maha-baho nigrhitani sarvasah
indriyanindriyarthebhyas tasya prajna pratisthita
Therefore, O mighty-armed, one whose senses are restrained from their objects is certainly of steady intelligence.