Kural - 280

What's the worth of shaven head or tresses long,
If you shun what all the world condemns as wrong

Explanation
There is no need of a shaven crown, nor of tangled hair, if a man abstain from those deeds which the wise have condemned.

Tamil Transliteration
Mazhiththalum Neettalum Ventaa Ulakam
Pazhiththadhu Ozhiththu Vitin.