One verse

Srimad Bhagavatam 10.85.24

10.85.24

आत्मा ह्येक: स्वयंज्योतिर्नित्योऽन्यो निर्गुणो गुणै: । आत्मसृष्टैस्तत्कृतेषु भूतेषु बहुधेयते ॥ २४ ॥

ātmā hy ekaḥ svayaṁ-jyotir nityo ’nyo nirguṇo guṇaiḥ ātma-sṛṣṭais tat-kṛteṣu bhūteṣu bahudheyate

ātmā
the Supreme Soul
hi
indeed
ekaḥ
one
svayam-jyotiḥ
self-luminous
nityaḥ
eternal
anyaḥ
distinct (from the material energy)
nirguṇaḥ
free from material qualities
guṇaiḥ
by the modes
ātma
from itself
sṛṣṭaiḥ
created
tat
in their
kṛteṣu
products
bhūteṣu
material entities
bahudhā
manifold
īyate
it appears

The supreme spirit, Paramātmā, is indeed one. He is self-luminous and eternal, transcendental and devoid of material qualities. But through the agency of the very modes He has created, the one Supreme Truth manifests as many among the expansions of those modes.