Sbg 6.6 ecsiva
English Commentary By Swami Sivananda 6.6 बन्धुः friend, आत्मा the Self, आत्मनः of the self, तस्य his, येन by whom, आत्मा the self, एव even, आत्मना by the Self, जितः is conered, अनात्मनः of unconered self, तु but, शत्रुत्वे in the place of an enemy, वर्तेत would remain, आत्मा the Self, एव even, शत्रुवत् like an enemy.