Thirukkural 416

எனைத்தானும் நல்லவை கேட்க அனைத்தானும் ஆன்ற பெருமை தரும்.

enaiththānum nallavaik kēṭka anaiththānum ānra perumai tarum.

To listen well to all good counsel, however humble its source, bestows on you a greatness that nothing can diminish.