शनैः शनैरुपरमेद् बुद्ध्या धृतिगृहीतया। आत्मसंस्थं मनः कृत्वा न किञ्चिदपि चिन्तयेत्।।6.25।।
śhanaiḥ śhanair uparamed buddhyā dhṛiti-gṛihītayā ātma-sansthaṁ manaḥ kṛitvā na kiñchid api chintayet
Little by little, let him attain steadiness of the intellect by holding it firmly; having made the mind establish itself in the Self, let him not think of anything else.