Sarvadarshanasangraha 14.16

14.16

anubhayātmakaḥ puruṣaḥ/ tad uktaṃ na prakṛtir na vikṛtiḥ puruṣaḥ iti/ puruṣas tu kūṭasthanityo 'pariṇāmī na kasyacit prakṛtir nāpi vikṛtiḥ kasyacid ity arthaḥ/

(d.) The soul is neither,—as is said in the Kārikā, "The soul is neither evolvent nor evolute." That is, the soul, being absolute, eternal, and subject to no development, is itself neither the evolvent nor the evolute of aught beside. Three kinds of proof are accepted as establishing these twenty-five principles; and thus the Kārikā (§ 4).