Kural - 155

Who wreak their wrath as worthless are despised;
Who patiently forbear as gold are prized

Explanation
(The wise) will not at all esteem the resentful They will esteem the patient just as the gold which they lay up with care.

Tamil Transliteration
Oruththaarai Ondraaka Vaiyaare Vaippar
Poruththaaraip Ponpor Podhindhu.