Srimad Bhagavatam Canto 12, Chapter 12, Text 09

SB 12.12.9

tatah prakrtikah sargah
 sapta vaikrtikas ca ye
tato brahmanda-sambhutir
 vairajah puruso yatah
 
Translation: 
 
The creation effected by the agitation of the modes of material nature, the seven stages of evolution by elemental transformation, and the construction of the universal egg, from which arises the universal form of the Supreme Lord — all these are thoroughly described.
Srimad Bhagavatam Canto 12, Chapter 12, Text 08
Srimad Bhagavatam Canto 12, Chapter 12, Text 10