इन्द्रियाणि हयानाहुर्विषयांस्तेषु गोचरान् ।आत्मेन्द्रियमनोयुक्तं भोक्तेत्याहुर्मनीषिणः ॥ 4-36 ॥
In plain words
The senses are called the horses and their objects the roads on which they move. The Self associated with senses and mind is called the experiencer by the wise.