श्लोक 6.5

उद्धरेदात्मनात्मानं नात्मानमवसादयेत्। आत्मैव ह्यात्मनो बन्धुरात्मैव रिपुरात्मनः॥

uddhared ātmanātmānaṁ nātmānam avasādayet, ātmaiva hy ātmano bandhur ātmaiva ripur ātmanaḥ.

Meaning

Your mind can help you or trouble you. When you think calmly and positively, your mind becomes your friend.