One verse

Srimad Bhagavatam 12.8.35

12.8.35

ते वै भगवतो रूपे नरनारायणावृषी । द‍ृष्ट्वोत्थायादरेणोच्चैर्ननामाङ्गेन दण्डवत् ॥ ३५ ॥

te vai bhagavato rūpe nara-nārāyaṇāv ṛṣī dṛṣṭvotthāyādareṇoccair nanāmāṅgena daṇḍa-vat

te
They
vai
indeed
bhagavataḥ
of the Personality of Godhead
rūpe
the personal manifestations
nara-nārāyaṇau
Nara and Nārāyaṇa
ṛṣī
the two sages
dṛṣṭvā
seeing
utthāya
standing up
ādareṇa
with respect
uccaiḥ
great
nanāma
bowed down
aṅgena
with his entire body
daṇḍa-vat
just like a stick

These two sages, Nara and Nārāyaṇa, were the direct personal forms of the Supreme Lord. When Mārkaṇḍeya Ṛṣi saw Them, he immediately stood up and then with great respect offered Them obeisances by falling down flat on the ground like a stick.