Srimad Bhagavatam Canto 12, Chapter 07, Text 11

SB 12.7.11

avyakrta-guna-ksobhan
 mahatas tri-vrto ’hamah
bhuta-suksmendriyarthanam
 sambhavah sarga ucyate
 
Translation: 
 
From the agitation of the original modes within the unmanifest material nature, the mahat-tattva arises. From the mahat-tattva comes the element false ego, which divides into three aspects. This threefold false ego further manifests as the subtle forms of perception, as the senses and as the gross sense objects. The generation of all these is called creation.
Srimad Bhagavatam Canto 12, Chapter 07, Text 09-10
Srimad Bhagavatam Canto 12, Chapter 07, Text 12