Verse 22

शून्यं तत्प्रकृतिर्माया ब्रह्मविज्ञानमित्यपि ।शिवः पुरुष ईशानो नित्य आत्मैव कथ्यते

In plain words

That is called śūnya, prakṛti, māyā, Brahman and vijñāna; it is called Śiva, puruṣa, Īśāna, the eternal — it is declared to be ātman alone.