One verse

Srimad Bhagavatam 8.7.29

8.7.29

मुखानि पञ्चोपनिषदस्तवेश यैस्त्रिंशदष्टोत्तरमन्त्रवर्ग: । यत् तच्छिवाख्यं परमात्मतत्त्वं देव स्वयंज्योतिरवस्थितिस्ते ॥ २९ ॥

mukhani pancopanisadas tavesa yais trimsad-astottara-mantra-vargah yat tac chivakhyam paramatma-tattvam deva svayam-jyotir avasthitis te

mukhani
faces
panca
five
upanisadah
Vedic literatures
tava
your
isa
O lord
yaih
by which
trimsat-asta-uttara-mantra-vargah
in the category of thirty-eight important Vedic mantras
yat
that
tat
as it is
siva-akhyam
celebrated by the name Siva
paramatma-tattvam
which ascertain the truth about Paramatma
deva
O lord
svayam-jyotih
self-illuminated
avasthitih
situation
te
of Your Lordship.

O lord, the five important Vedic mantras are represented by your five faces, from which the thirty-eight most celebrated Vedic mantras have been generated. Your Lordship, being celebrated as Lord Siva, is self-illuminated. You are directly situated as the supreme truth, known as Paramatma.