Institutio Oratoria

There is another point to which I must call attention, namely the credit which accrues to the statement of facts from the authority of the speaker. Now such authority should first and foremost be the reward of our manner of life, but may also be conferred

It is therefore specially important in this part of our speech to avoid anything suggestive of artful design, for the judge is never more on his guard than at this stage. Nothing must seem fictitious, nought betray anxiety; everything must seem to spring from the case itself rather than the art of the orator.