If a Kshatriya, whose duty is to fight fairly, wins a victory by unfair means, he incurs sin thereby. Of deceitful conduct, such a person is said to destroy his ownself.
यो वै जयत्यधर्मेण क्षत्रियो धर्मसंगरः॥ आत्मानमात्मना हन्ति पापो निकृतिजीवनः।