Swami Krishnananda

But there is a higher kind of work that is not binding but liberating, and it is this work that goes by the name of service, and is above self.
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So also the principle objectivity has to be isolated from consciousness. This is called kaivalya or moksha. Kaivalya means kevalata. Kevala means oneness, alone, aloneness. When we stand alone as purusha, as consciousness, independent of association with objects or prakriti, we are said to have attained kaivalya. This is also called moksha. It is called moksha because it is freedom. Moksha means liberation, mukti, complete dissociation from all factors causing bondage. When the purusha isolates itself, separates itself from contact with prakriti, it is supposed to attain kaivalya moksha. We stand in our independent status. We are no more a slave to the enchantment of prakriti.
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But beyond still, beyond this causative principle of avyakta, is the Absolute. This is called the ultimate purusha or the Purushottama. It is called Purushottama because it is transcendent purusha and not merely the consciousness involved in creation.

Dvād imau puruṣau loke kṣaraś cakṣara eva ca, kṣaraḥ sarvāṇi bhūtāni kūṭhastho’kṣara ucyate (Gita 15.16). Uttamaḥ puruṣas tva anyaḥ paramātmety udāhṛatḥ (Gita 15.17).

This Paramatman, or the Purushottama, is beyond both prakriti and purusha. It is not the purusha involved in samsara, and it is also not the prakriti, the objective principle. It is the supreme regulative order of the universe wherein the constitution of all creation is laid down once and for all. It is difficult to name it, designate it; and until we reach that state, we are samsarins.
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It is very difficult to conceive this in our little brain, but this is the object of our supreme meditation. We will be simply thrilled even to think of this Reality. Our hair will stand on end. Hunger and thirst get quenched; it will appear as if nectar is flowing through our throat, and we will be in ecstasy of joy beyond comprehension. Here we will stop speaking altogether, and we will be an eternal mauni, forever. When God enters the jiva, nothing remains to be said or done. We will become kritakritya, praptaprapya and jnatajneya. Everything that is to be known is known, everything that is to be done is done, and everything that is to be obtained is obtained. This is perfection.