अन्तः शरीर आकाशात् पुरुषस्य विचेष्टतः ।
ओजः सहो बलं जज्ञे ततः प्राणो महानसुः ॥ १५ ॥
antah sarire-within the body; akasat-from the sky; purusasya-of Maha-Visnu; vicestatah-while so trying, or willing; ojah-energy of the senses; sahah-mental force; balam-bodily strength; jajne-generated; tatah-thereafter; pranah-living force; mahan asuh-the fountainhead of everyone's life.
From the sky situated within the transcendental body of the manifesting Maha-Visnu, sense energy, mental force and bodily strength are all generated, as well as the sum total of the fountainhead of the total living force.