Institutio Oratoria

Quintilian

Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.

But this material, as we call it, that is to say the things brought before it, has been criticised by some, at times on the ground that it is limitless, and sometimes on the ground that it is not peculiar to oratory, which they have therefore dubbed a discursive art, because all is grist that comes to its mill.

I have no serious quarrel with these critics, for they acknowledge that rhetoric is concerned with every kind of material, though they deny that it has any peculiar material just because of that material's multiplicity. But in spite of this multiplicity, rhetoric is not unlimited in scope, and there are other minor

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arts whose material is characterised by the same multiplicity: such for instance is architecture, which deals with everything that is useful for the purpose of building: such too is the engraver's art which works on gold, silver, bronze, iron.

As for sculpture, its activity extends to wood, ivory, marble, glass and precious stones in addition to the materials already mentioned.