cātuḥ-varṇyam — the four divisions of human society; mayā — by Me; sṛṣṭam — created; guṇa — of quality; karma — and work; vibhāgaśaḥ — in terms of division; tasya — of that; kartāram — the father; api — although; mām — Me; viddhi — you may know; akartāram — as the nondoer; avyayam — unchangeable.