Institutio Oratoria

Take the following controversial theme as an example, for it is best to employ scholastic themes as illustrations since they are more familiar to the student.

A man who had been disinherited by his father took to the study of medicine. His father fell sick and, his life being despaired of by the other doctors, the son was called in, and said he would cure him if

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he would take a draught prescribed by himself. The father after drinking part of the draught said that he had been poisoned: the son drank the remainder of the draught. The father died and the son is accused of parricide.