Sāṃkhya Kārikā verse 55

tatra jarāmaraṇa kṛtaṃ duḥkhaṃ prāpnoti cetanaḥ puruṣaḥ | liṅgasya avinivṛtteḥ tasmāt duḥkhaṃ svabhāvena ||

tatra - in that place, there; thither, to that place; in that, therein, in that case, on that occasion, under those circumstances, then, thereforejarā - becoming old; the act of becoming old, old age; the act of wearing out, wastingkṛta - done; made; accomplished; performedduḥkha - suffering, pain, sorrowfulprāpnoti - to obtain, getcetanā - consciousness, understanding, sense, intelligence; percipient, conscious, sentient, intelligentpuruṣa - animating principle, self, consciousness, spirit; a person, man, a human being; peopleliṅgasya - of the subtle bodyavinivṛtti - absence of destructiontasmāt - from that, on that account, thereforesvabhāva - innate or inherent disposition; own condition or state of beingmaraṇa - the act of dying, death