यच्छेद्वाङ्मनसी प्राज्ञस्तद्यच्छेज्ज्ञान आत्मनि । ज्ञानमात्मनि महति नियच्छेत्तद्यच्छेच्छान्त आत्मनि ॥ १३॥

The wise man should merge his speech in his mind and his mind in his intellect. He should merge his intellect in the Cosmic Mind and the Cosmic Mind in the Tranquil Self.