Kural - 74

From love fond yearning springs for union sweet of minds;
And that the bond of rare excelling friendship binds

Explanation
Love begets desire: and that (desire) begets the immeasureable excellence of friendship.

Tamil Transliteration
Anpu Eenum Aarvam Utaimai Adhueenum
Nanpu Ennum Naataach Chirappu.