Institutio Oratoria

Now as a matter of fact we all of us frequently handle those themes which philosophy claims for its own. Who, short of being an utter villain, does not speak of justice, equity and virtue? Who (and even common country-folk are no exception) does not make some inquiry into the causes of natural phenomena? As for the special uses and distinctions of words, they should be a subject of study common to all who give any thought to the meaning of language.