aham ātmā guḍākeśa
sarva-bhūtāśaya-sthitaḥ
aham ādiś ca madhyaḿ ca
bhūtānām anta eva ca

aham — I; ātmā — the soul; guḍākeśa — O Arjuna; sarva-bhūta — of all living entities; āśaya-sthitaḥ — situated within the heart; aham — I am; ādiḥ — the origin; ca — also; madhyam — middle; ca — also; bhūtānām — of all living entities; antaḥ — end; eva — certainly; ca — and.

I am the Supersoul, O Arjuna, seated in the hearts of all living entities. I am the beginning, the middle and the end of all beings.