Bhagavad Gita 7.4
Earth, water, fire, air, ether, mind, intellect, and personality—this is the eightfold division of My manifested nature.
भूमिरापोऽनलो वायुः खं मनो बुद्धिरेव च।
अहङ्कार इतीयं मे भिन्ना प्रकृतिरष्टधा॥bhūmirāpo'nalo vāyuḥ khaṃ mano buddhireva ca|
ahaṅkāra itīyaṃ me bhinnā prakṛtiraṣṭadhā||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).