Kural - 825

When minds are not in unison, 'its never; just,
In any words men speak to put your trust

Explanation
In nothing whatever is it proper to rely on the words of those who do not love with their heart.

Tamil Transliteration
Manaththin Amaiyaa Thavarai Enaiththondrum
Sollinaal Therarpaatru Andru.