Verse
यथाकाशस्थितो नित्यं वायुः सर्वत्रगो महान् ।तथा सर्वाणि भूतानि मत्स्थानीत्युपधारय ॥
It is as the great, the all-pervading aerial principle dwells in the etheric that all existences dwell in Me, that is how you have to conceive of it.
Gītā 9·6