Manusmriti

siva.sh/manusmriti/3/156

भृतकाध्यापको यश्च भृतकाध्यापितस्तथा । शूद्रशिष्यो गुरुश्चैव वाग्दुष्टः कुण्डगोलकौ ॥ १५६ ॥

sanskrit

He who teaches for a stipulated fee and he who is taught on that condition, he who instructs Sudra pupils and he whose teacher is a Sudra, he who speaks rudely, the son of an adulteress, and the son of a widow,

english translation

bhRtakAdhyApako yazca bhRtakAdhyApitastathA | zUdraziSyo guruzcaiva vAgduSTaH kuNDagolakau || 156 ||

hk transliteration by Sanscript