On the Eating of Animal Flesh

On the Eating of Animal Flesh, Volume 12 The Moralia

for the sake of a little flesh we deprive them of the sun, of the light, of the duration of life to which they are entitled by birth and being.

It is our capacity to reason by which we can reason ourselves out of eating meat

You call serpents and panthers savage and lions savage, but you yourselves, by your own foul slaughter, leave them no room to outdo you in cruelty; for their slaughter is their living yours is a mere appetizer.
It is certainly not lions and wolves that we eat out of self defence; on the contrary, we ignore these and slaughter the harmless , tame creatures without stings or teeth to harm us, creatures that, I swear, Nature appears to have produced for the sake of their beauty and grace…