After finishing this chanting, one should think himself qualitatively one with the Supreme Personality of Godhead, who is full in six opulences and is worthy to be meditated upon. Then one should chant the following protective prayer to Lord Nārāyaṇa, the Nārāyaṇa-kavaca.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
आत्मानं परमं ध्यायेद्ध्येयं षट् शक्तिभिर्युतम् । विद्यातेजस्तपोमूर्तिमिमं मन्त्रमुदाहरेत्
ātmānaṃ paramaṃ dhyāyeddhyeyaṃ ṣaṭ śaktibhiryutam | vidyātejastapomūrtimimaṃ mantramudāharet
SB 6.8.11