Thirukkural 287

களவென்னும் காரறி வாண்மை அளவென்னும் ஆற்றல் புரிந்தார்கண்ட இல்.

Kalavennun kaara-ri vaanmai alavavennum Aatral purindhaar kandil.

Theft may be called skill, but those who possess true capability have never resorted to it. Capacity and crime are not companions.