One verse

Bhagavad Gita 4.6

4.6

अजोऽपि सन्नव्ययात्मा भूतानामीश्वरोऽपि सन् | प्रकृतिं स्वामधिष्ठाय सम्भवाम्यात्ममायया ||४-६||

ajo.api sannavyayātmā bhūtānāmīśvaro.api san . prakṛtiṃ svāmadhiṣṭhāya sambhavāmyātmamāyayā ||4-6||

api
although
san
being so
avyaya
without deterioration
ātmā
body
bhūtānām
of all those who are born
īśvaraḥ
the Supreme Lord
api
although
san
being so
prakṛtim
in the transcendental form
svām
of Myself
adhiṣṭhāya
being so situated
sambhavāmi
I do incarnate
ātma-māyayā
by My internal energy

Although I am unborn and My transcendental body never deteriorates, and although I am the Lord of all living entities, by My internal energy I still appear in every millennium in My original transcendental form.