After hearing from the mouth of their master about the extraordinary glories of the Lord and His name, fame and attributes, the Yamadūtas were struck with wonder. Since then, as soon as they see a devotee, they fear him and dare not look at him again.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
इत्थं स्वभर्तृगदितं भगवन्महित्वं संस्मृत्य विस्मितधियो यमकिङ्करास्ते । नैवाच्युताश्रयजनं प्रतिशङ्कमाना द्रष्टुं च बिभ्यति ततः प्रभृति स्म राजन्
itthaṃ svabhartṛgaditaṃ bhagavanmahitvaṃ saṃsmṛtya vismitadhiyo yamakiṅkarāste | naivācyutāśrayajanaṃ pratiśaṅkamānā draṣṭuṃ ca bibhyati tataḥ prabhṛti sma rājan
SB 6.3.34