Kural - 477

With knowledge of the measure due, as virtue bids you give!
That is the way to guard your wealth, and seemly live

Explanation
Let a man know the measure of his ability (to give), and let him give accordingly; such giving is the way to preserve his property.

Tamil Transliteration
Aatrin Aravarindhu Eeka Adhuporul
Potri Vazhangu Neri.