Series 1, Chapter 8 pg 77, Para 2: The first important new element we find is in the conception of Purusha itself. Prakriti conducts her activities for the pleasure of Purusha; but how is that pleasure determined? In the strict Sankhya analysis it can only be by a passive consent of the silent Witness. Passively the Witness consents to the action of the intelligent will and the ego-sense, passively he consents to the recoil of that will from the ego-sense. He is Witness, source of the consent, by reflection upholder of the work of Nature, saksi anumanta bharta, but nothing more. But the Purusha of the Gita is also the Lord of Nature; he is Ishwara. If the operation of the intelligent will belongs to Nature, the origination and power of the will proceed from the conscious Soul; he is the Lord of Nature. If the act of intelligence of the Will is the act of Prakriti, the source and light of the intelligence are actively contributed by the Purusha; he is not only the Witness, but the Lord and Knower, master of knowledge and will, jnata isvarah. He is the supreme cause of the action of Prakriti, the supreme cause of its withdrawal from action. In the Sankhya analysis Purusha and Prakriti in their dualism are the cause of the cosmos; in this synthetic Sankhya Purusha by his Prakriti is the cause of the cosmos. We see at once how far we have travelled from the rigid purism of the traditional analysis.