Manner in Debating
Be as earnest and convincing in your speeches as you can. Never yield to the temptation to indulge in personalities. Recall that other speakers should never be mentioned by name. They are identified by their order and their side, as "The first speaker on the affirmative" or "The speaker who preceded me," or "My colleague," or "My opponent."
Avoid using these with tones and phrases of sarcasm and bitterness. Be fair and courteous in every way. Never indulge in such belittling expressions as "No one understands what he is trying to prove. He reels off a string of figures which mean nothing." Never indulge in cheap wit or attempts at satiric humor.
Prepare so adequately, analyze so keenly, argue so logically, speak so convincingly, that even when your side loses, your opponents will have to admit that you forced them to do better than they had any idea they could.