Śrīmad-Bhāgavatam · Text 11.15.16
Who is speaking and story frame
नारायणे तुरीयाख्ये भगवच्छब्दशब्दिते ।
मनो मय्यादधद् योगी मद्धर्मा वशितामियात् ॥ १६ ॥
nārāyaṇe turīyākhye
bhagavac-chabda-śabdite
mano mayy ādadhad yogī
mad-dharmā vaśitām iyāt
The yogī who places his mind in My form of Nārāyaṇa, known as the fourth factor, full of all opulences, becomes endowed with My nature and thus obtains the mystic perfection called vaśitā.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.