Manusmriti

siva.sh/manusmriti/11/120

कामतो रेतसः सेकं व्रतस्थस्य द्विजन्मनः । अतिक्रमं व्रतस्याहुर्धर्मज्ञा ब्रह्मवादिनः ॥ १२० ॥

sanskrit

Those who know the Veda declare that a voluntary effusion of semen by a twice-born (youth) who fulfils the vow (of studentship constitutes) a breach of that vow.

english translation

kAmato retasaH sekaM vratasthasya dvijanmanaH | atikramaM vratasyAhurdharmajJA brahmavAdinaH || 120 ||

hk transliteration by Sanscript