The control of the senses is known by Brahmanas to be certainly the true wisdom; and true wisdom is the path along which an intelligent man goes.
एतज्ज्ञानं विदुर्विप्रा ध्रुवमिन्द्रियधारणम्। एतज्ज्ञानं च पन्थाश्च येन यान्ति मनीषिणः॥