One verse

Srimad Bhagavatam 10.84.41

10.84.41

वसुदेव भवान् नूनं भक्त्या परमया हरिम् । जगतामीश्वरं प्रार्च: स यद् वां पुत्रतां गत: ॥ ४१ ॥

vasudeva bhavān nūnaṁ bhaktyā paramayā harim jagatām īśvaraṁ prārcaḥ sa yad vāṁ putratāṁ gataḥ

vasudeva
O Vasudeva
bhavān
your good self
nūnam
doubtlessly
bhaktyā
with devotion
paramayā
supreme
harim
Lord Kṛṣṇa
jagatām
of all the worlds
īśvaram
the supreme controller
prārcaḥ
have worshiped thoroughly
saḥ
He
yat
inasmuch
vām
of both of you (Vasudeva and Devakī)
putratām
the role of son
gataḥ
has taken on

O Vasudeva, without doubt you must have previously worshiped Lord Hari, the master of all worlds. Both you and your wife must have perfectly worshiped Him with supreme devotion, since He has accepted the role of your son.