शनैः शनैरुपरमेद् बुद्ध्या धृतिगृहीतया। आत्मसंस्थं मनः कृत्वा न किञ्चिदपि चिन्तयेत्॥
śanaiḥ śanairuparamed buddhyā dhṛtigṛhītayā ātmasaṃsthaṃ manaḥ kṛtvā na kiñcidapi cintayet
Meaning
Little by little, with the help of his reason controlled by fortitude, let him attain peace; and, fixing his mind on the Self, let him not think of anything else.
English translation by Shri Purohit Swami (1935), public domain. Sanskrit text in the public domain. About Duvidha