Bhagavad Gita 8.12 Chapter 8, Verse 12

सर्वद्वाराणि संयम्य मनो हृदि निरुध्य च ।
मूर्ध्न्याधायात्मनः प्राणमास्थितो योगधारणाम् ॥८.१२॥

sarvadvārāṇi saṃyamya mano hṛdi nirudhya ca
mūrdhnyādhāyātmanaḥ prāṇamāsthito yogadhāraṇām

Meaning

Closing all the gates of the senses, confining the mind in the heart, drawing the life-breath into the head, established in yogic concentration,

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 8.12 (Chapter 8, The Yoga of the Imperishable Absolute, Verse 12)