Through what deeds' does a Brahmana take birth in his next life, in the Shudra caste? Through what acts, O powerful deity, does a Kshatriya also come down to the status of a Shudra?
केन वा कर्मणा विप्रः शूद्रयोनौ प्रजायते। क्षत्रियः शूद्रतामेति केन वा कर्मणा विभो॥