Kural - 1210

Set not; so may'st thou prosper, moon! that eyes may see
My love who went away, but ever bides with me

Explanation
May you live, O Moon! Do not set, that I mine see him who has departed without quitting my soul.

Tamil Transliteration
Vitaaadhu Sendraaraik Kanninaal Kaanap
Pataaadhi Vaazhi Madhi.