Kural - 11

The world its course maintains through life that rain unfailing gives;
Thus rain is known the true ambrosial food of all that lives

Explanation
By the continuance of rain the world is preserved in existence; it is therefore worthy to be called ambrosia.

Tamil Transliteration
Vaannindru Ulakam Vazhangi Varudhalaal
Thaanamizhdham Endrunarar Paatru.