Manusmriti
चतुर्भिरपि चैवैतैर्नित्यमाश्रमिभिर्द्विजैः । दशलक्षणको धर्मः सेवितव्यः प्रयत्नतः ॥ ९१ ॥
By twice-born men belonging to (any of) these four orders, the tenfold law must be ever carefully obeyed.
english translation
caturbhirapi caivaitairnityamAzramibhirdvijaiH । dazalakSaNako dharmaH sevitavyaH prayatnataH ॥ 91 ॥
hk transliteration by Sanscript