One verse

Srimad Bhagavatam 12.10.9

12.10.9

तयोरागमनं साक्षादीशयोर्जगदात्मनो: । न वेद रुद्धधीवृत्तिरात्मानं विश्वमेव च ॥ ९ ॥

tayor āgamanaṁ sākṣād īśayor jagad-ātmanoḥ na veda ruddha-dhī-vṛttir ātmānaṁ viśvam eva ca

tayoḥ
of the two of them
āgamanam
the arrival
sākṣāt
in person
īśayoḥ
of the powerful personalities
jagat-ātmanoḥ
the controllers of the universe
na veda
he did not notice
ruddha
checked
dhī-vṛttiḥ
the functioning of his mind
ātmānam
himself
viśvam
the external universe
eva
indeed
ca
also

Because Mārkaṇḍeya’s material mind had stopped functioning, the sage failed to notice that Lord Śiva and his wife, the controllers of the universe, had personally come to see him. Mārkaṇḍeya was so absorbed in meditation that he was unaware of either himself or the external world.