Thirukkural

களவென்னும் காரறி வாண்மை அளவென்னும் ஆற்றல் புரிந்தார்கண்ட இல்.

Kalavennum Kaarari Vaanmai Alavennum Aatral Purindhaarkanta Il

That black-knowledge which is called fraud, is not in those who desire that greatness which is called rectitude