आत्मानँ रथितं विद्धि शरीरँ रथमेव तु । बुद्धिं तु सारथिं विद्धि मनः प्रग्रहमेव च ॥ ३॥

Know the atman to be the master of the chariot; the body, chariot; the intellect, the charioteer; and the mind, the reins.