One verse

Srimad Bhagavatam 1.5.38

1.5.38

इति मूर्त्यभिधानेन मन्त्रमूर्तिममूर्तिकम् । यजते यज्ञपुरुषं स सम्यग्दर्शन: पुमान् ॥ ३८ ॥

iti murty-abhidhanena mantra-murtim amurtikam yajate yajna-purusam sa samyag darsanah puman

iti
thus
murti
representation
abhidhanena
in sound
mantra-murtim
form representation of transcendental sound
amurtikam
the Lord, who has no material form
yajate
worship
yajna
Visnu
purusam
the Personality of Godhead
sah
he alone
samyak
perfectly
darsanah
one who has seen
puman
person.

Thus he is the actual seer who worships, in the form of transcendental sound representation, the Supreme Personality of Godhead, Visnu, who has no material form.