Kural - 104

Each benefit to those of actions' fruit who rightly deem,
Though small as millet-seed, as palm-tree vast will seem

Explanation
Though the benefit conferred be as small as a millet seed, those who know its advantage will consider it as large as a palmyra fruit.

Tamil Transliteration
Thinaiththunai Nandri Seyinum Panaiththunaiyaak
Kolvar Payandheri Vaar.