Manusmriti

siva.sh/manusmriti/3/64

शिल्पेन व्यवहारेण शूद्रापत्यैश्च केवलैः । गोभिरश्वैश्च यानैश्च कृष्या राजोपसेवया ॥ ६४ ॥

sanskrit

By (practising) handicrafts, by pecuniary transactions, by (begetting) children on Sudra females only, by (trading in) cows, horses, and carriages, by (the pursuit of) agriculture and by taking service under a king,

english translation

zilpena vyavahAreNa zUdrApatyaizca kevalaiH | gobhirazvaizca yAnaizca kRSyA rAjopasevayA || 64 ||

hk transliteration by Sanscript