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Certainly not the last, he replied; for I know of many things-meats, drinks, medicines, and ten thousand other things, which are inexpedient for man, and some which are expedient; and some which are neither expedient nor inexpedient for man, but only for horses; and some for oxen only, and some for dogs; and some for no animals, but only for trees; and some for the roots of trees and not for their branches, as for example, manure, which is a good thing when laid about the roots of a tree, but utterly destructive if thrown upon the shoots and young branches; or I may instance olive oil, which is mischievous to all plants, and generally most injurious to the hair of every animal with the exception of man, but beneficial to human hair and to the human body generally; and even in this application (so various and changeable is the nature of the benefit), that which is the greatest good to the outward parts of a man, is a very great evil to his inward parts: and for this reason physicians always forbid their patients the use of oil in their food, except in very small quantities, just enough to extinguish the disagreeable sensation of smell in meats and sauces.

Certainly not the last, he replied; for I know of many things-meats, drinks, medicines, and ten thousand other things, which are inexpedient for man, and some which are expedient; and some which are neither expedient nor inexpedient for man, but only for horses; and some for oxen only, and some for dogs; and some for no animals, but only for trees; and some for the roots of trees and not for their branches, as for example, manure, which is a good thing when laid about the roots of a tree, but utterly destructive if thrown upon the shoots and young branches; or I may instance olive oil, which is mischievous to all plants, and generally most injurious to the hair of every animal with the exception of man, but beneficial to human hair and to the human body generally; and even in this application (so various and changeable is the nature of the benefit), that which is the greatest good to the outward parts of a man, is a very great evil to his inward parts: and for this reason physicians always forbid their patients the use of oil in their food, except in very small quantities, just enough to extinguish the disagreeable sensation of smell in meats and sauces.

When he had given this answer, the company cheered him. And I said: Protagoras, I have a wretched memory, and when any one makes a long speech to me I never remember what he is talking about. As then, if I had been deaf, and you were going to converse with me, you would have had to raise your voice; so now, having such a bad memory, I will ask you to cut your answers shorter, if you would take me with you. Plato [http://classics.mit.edu/Plato/protagoras.html].

When he had given this answer, the company cheered him. And I said: Protagoras, I have a wretched memory, and when any one makes a long speech to me I never remember what he is talking about. As then, if I had been deaf, and you were going to converse with me, you would have had to raise your voice; so now, having such a bad memory, I will ask you to cut your answers shorter, if you would take me with you. Protagoras - Dialogues by Plato [http://classics.mit.edu/Plato/protagoras.html].

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