Kural - 63

'Man's children are his fortune,' say the wise;
From each one's deeds his varied fortunes rise

Explanation
Men will call their sons their wealth, because it flows to them through the deeds which they (sons) perform on their behalf.

Tamil Transliteration
Thamporul Enpadham Makkal Avarporul
Thamdham Vinaiyaan Varum.