Manusmriti
समुत्पत्तिं च मांसस्य वधबन्धौ च देहिनाम् । प्रसमीक्ष्य निवर्तेत सर्वमांसस्य भक्षणात् ॥ ४९ ॥
Having well considered the (disgusting) origin of flesh and the (cruelty of) fettering and slaying corporeal beings, let him entirely abstain from eating flesh.
english translation
samutpattiM ca mAMsasya vadhabandhau ca dehinAm । prasamIkSya nivarteta sarvamAMsasya bhakSaNAt ॥ 49 ॥
hk transliteration by Sanscript