Manusmriti

siva.sh/manusmriti/2/68

एष प्रोक्तो द्विजातीनामौपनायनिको विधिः । उत्पत्तिव्यञ्जकः पुण्यः कर्मयोगं निबोधत ॥ ६८ ॥

sanskrit

Thus has been described the rule for the initiation of the twice-born, which indicates a (new) birth, and sanctifies; learn (now) to what duties they must afterwards apply themselves.

english translation

eSa prokto dvijAtInAmaupanAyaniko vidhiH | utpattivyaJjakaH puNyaH karmayogaM nibodhata || 68 ||

hk transliteration by Sanscript