The eye, the ear, the nose, the touch and the tongue, these are the sources of the knowledge of animals. These are gratified if thirst is destroyed; therefore should a man cheerfully bring these under control.
चक्षुः श्रोत्रे नासिकात्वक् च जिह्वा ज्ञानस्यैतान्यायतनानि जन्तोः। तानि प्रीतान्येव तान्यव्यथो दुःखहीनः प्रणुद्यात्॥