Kural - 650

Like scentless flower in blooming garland bound
Are men who can't their lore acquired to other's ears expound

Explanation
Those who are unable to set forth their acquirements (before others) are like flowers blossoming in a cluster and yet without fragrance.

Tamil Transliteration
Inaruzhththum Naaraa Malaranaiyar Katradhu
Unara Viriththuraiyaa Thaar.