Porphyry (philosopher)

"The fleshless diet contributes to health and to a suitable endurance of hard work in philosophy."

"Not only can logos be seen in absolutely all animals, but in many of them it has the groundwork for being perfected."

"The utility of a science which enables men to take cognizance of the travellers on the mind's highway, and excludes those disorderly interlopers, verbal fallacies, needs but small attestation. Its sea…"

"Porphyry, On the Life of Plotinus"

"Animals are rational; in most of them logos is imperfect, but it is certainly not wholly lacking. So if, as our opponents say, justice applies to rational beings, why should not justice, for us, also …"

"Porphyry at Stanford Encyclopedia of Philosophy"

"Incorporeal hypostases, in descending, are distributed into parts, and multiplied about individuals with a diminution of power; but when they ascend by their energies beyond bodies, they become united…"

"I think that when friendship and perception of kinship ruled everything, no one killed any creature, because people thought the other animals were related to them."