त्रेतायुगे च वर्तन्ते ब्राह्मणाः क्षत्रियाश्च ये। तपोऽतप्यन्त ते सर्वे शुश्रूषामपरे जनाः॥
tretāyuge ca vartante brāhmaṇāḥ kṣatriyāśca ye| tapo'tapyanta te sarve śuśrūṣāmapare janāḥ||
English Meaning
During the Tretă age the Brāhmaṇas and Kș atriyas engaged in austere penances and the Vaiśyas and Sūdras engaged in serving them.
— M.N. Dutt (1891–94, public domain)