Kural - 1136

Of climbing 'horse of palm' in midnight hour, I think;
My eyes know no repose for that same simple maid

Explanation
Mine eyes will not close in sleep on your mistress's account; even at midnight will I think of mounting the palmyra horse.

Tamil Transliteration
Mataloordhal Yaamaththum Ulluven Mandra
Patalollaa Pedhaikken Kan.