Kural - 456

From true pure-minded men a virtuous race proceeds;
To men of pure companionship belong no evil deeds

Explanation
To the pure-minded there will be a good posterity By those whose associates are pure, no deeds will be done that are not good.

Tamil Transliteration
Manandhooyaark Kechchamnan Raakum Inandhooyaarkku
Illainan Raakaa Vinai.