One verse

Srimad Bhagavatam 7.1.37

7.1.37

पञ्चषड्ढायनार्भाभा: पूर्वेषामपि पूर्वजा: । दिग्वासस: शिशून् मत्वा द्वा:स्थौ तान् प्रत्यषेधताम् ॥ ३७ ॥

panca-saddhayanarbhabhah purvesam api purvajah dig-vasasah sisun matva dvah-sthau tan pratyasedhatam

panca-sat-dha
five or six years
ayana
approaching
arbha-abhah
like boys
purvesam
the ancients of the universe (Marici and the rest)
api
even though
purva-jah
born before
dik-vasasah
being naked
sisun
children
matva
thinking
dvah-sthau
the two gate guards, Jaya and Vijaya
tan
them
pratyasedhatam
forbade.

Although these four great sages were older than Brahma’s other sons like Marici, they appeared like small naked children only five or six years old. When Jaya and Vijaya saw them trying to enter Vaikunthaloka, these two gatekeepers, thinking them ordinary children, forbade them to enter.