Bhagavad Gita Chapter 2.61
tāni sarvāṇi saḿyamya
yukta āsīta mat-paraḥ
vaśe hi yasyendriyāṇi
tasya prajñā pratiṣṭhitā
Translation
One who restrains his senses, keeping them under full control, and fixes his consciousness upon Me, is known as a man of steady intelligence.