[1] It is an alternate term for prakriti ('material nature' and material desires) in a state of equilibrium of the three gunas – sattva, rajas and tamas, the three modes of prakrti.
[3] Instead, the later Advaita tradition postulates Brahman as the intelligent, conscious first principle and material and efficient cause of the universe.
Purusha is unproduced, free from all action and modification, without attributes, all-pervading consciousness, individual and separate for each body.
[4] The Brahma Sutras of Badarayana are the oldest extent comprehensive treatment in a systematic manner of the vast corpus of Vedic Thought.
It is not a directive intelligent entity which could initiate activity, and there is no external agency to urge it to act, or restrain it from action.
[8] Madhva, the founder of Tattvavada (Realism), interprets the word asabadam to refer to Brahman, who is inexpressible because he is an object of knowledge.