Thirukkural-On Wealth-On Ignorance-Kural-405

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The person, who has not gone through the process of educating himself, by learning at the feet of the great masters, or through their books, or the school of pain-taking experience, even if he develops a self-esteem in his own arrogant way of thinking, quite undeservedly, this will not enable him to hold his own and sustain even a brief discussion on any relevant subject, with the really learned men, with the result, the self-esteem or self-concept will get blown-up.

Rajaji would say that an unlettered man"s conceit will find its end, when the occasion for a speech that matters does arise.

K V Jaganathan, in his Research edition of Thirukkural has drawn a parallel from Pazhamozhi.

“Kalaadhaan kanda kazhi nutpam katraar mun
Solungaal soarvu paduthalaal"