SB 11.22.18
vyaktadayo vikurvana
dhatavah puruseksaya
labdha-viryah srjanty andam
samhatah prakrter balat
Translation:
As the material elements, headed by the mahat-tattva, are transformed, they receive their specific potencies from the glance of the Supreme Lord, and being amalgamated by the power of nature, they create the universal egg.