ब्रह्माण्डकोटराध्वान्ताः प्राणापानपरैस्त्वया ।गतागतैर्ब्रह्मपुरे संप्रेक्ष्यन्ते प्रतिक्षणम्
In plain words
By you, through the comings and goings of prāṇa and apāna, the dark hollows of the cosmic egg are surveyed moment by moment, here in the city of Brahman.