TRANSLATION

" 'In the beginning of the creation, the Lord expanded Himself in the form of the purusa incarnation, accompanied by all the ingredients of material creation. First He created the sixteen principal energies suitable for creation. This was for the purpose of manifesting the material universes.'

This is a quotation from Srimad-Bhagavatam (1.3.1). For an explanation, refer to Adi-lila, Chapter Five, verse 84.