Garudapurana 3.16.24

3.16.24

yato hṛdi sthito vāyustato vai dhṛtisaṃjñakaḥ /
sarveṣāṃ ca dṛdi sthitvā smarate sarvadā harim //

Because Vāyu resides in the heart, he is named Dhṛti. / Having taken his seat in the heart of all, he always remembers Hari;