Kural - 982

The good of inward excellence they claim,
The perfect men; all other good is only good in name

Explanation
The only delight of the perfect is that of their goodness; all other (sensual) delights are not to be included among any (true) delights.

Tamil Transliteration
Kunanalam Saandror Nalane Piranalam
Ennalaththu Ulladhooum Andru.