Kural - 351

Of things devoid of truth as real things men deem;-
Cause of degraded birth the fond delusive dream

Explanation
Inglorious births are produced by the confusion (of mind) which considers those things to be real which are not real.

Tamil Transliteration
Porulalla Vatraip Porulendru Unarum
Marulaanaam Maanaap Pirappu.