
बन्धुरात्मात्मनस्तस्य येनात्मैवात्मना जितः। अनात्मनस्तु शत्रुत्वे वर्तेतात्मैव शत्रुवत्॥६-६॥ .”For one who has conquered his mind, a mind is best of friends, but for one who has failed to do so, a mind is the greatest enemy.” - Bhagvad Gita Chapter 6:6