Kural - 154

Seek'st thou honour never tarnished to retain;
So must thou patience, guarding evermore, maintain

Explanation
If you desire that greatness should never leave, you preserve in your conduct the exercise of patience.

Tamil Transliteration
Niraiyutaimai Neengaamai Ventin Poraiyutaimai
Potri Yozhukap Patum.