Bhagavad Gita 7.4

भूमिरापोऽनलो वायुः खं मनो बुद्धिरेव च |
अहंकार इतियं मे भिन्ना प्रकृतिरष्टधा

Translation

Earth, water, fire, air, space, mind, intellect, and ego—these are eight components of My material energy.