Prabhupāda: Then above water there is air.
Janārdana: Air, fire, ether. Water, fire, air, ether, and then this pradhāna. So pradhāna is split up into the three: ahaṇkāra, mahat-tattva and... What's...?
Prabhupāda: Pradhāna is material ingredients, material cause.
Janārdana: Material cause.
Prabhupāda: And prakṛti...
Janārdana: Is the efficient cause.
Prabhupāda: Efficient cause.
Janārdana: That is in the Brahma-saṁhitā.
Prabhupāda: Yes.