Vajrasuci (Siddhacarya Ghoshapada) 25

25

hariṇīgarbhasambhūta ṛṣyaśṛṅgo mahāmuniḥ
tapasā brāhmaṇo jātastasmājjātirakāraṇam

The great sage Ṛṣyaśṛṅga was born from the womb of a doe;
he became a brāhmaṇa through austerity; therefore, birth is no cause.