Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory.
The tension between "yes" and "no," between "I can" and "I cannot," makes us feel that, in so many instances, human life is an interminable debate with one's self.
Use soft words and hard arguments.
Strong and bitter words indicate a weak cause.
A long dispute means that both parties are wrong
It is the briefest yet wisest maxim which tells us to meddle not.
What we have to do... is to find a way to celebrate our diversity and debate our differences without fracturing our communities.
There is no conversation more boring than the one where everybody agrees.
It is not necessary to understand things in order to argue about them.
Soft words win hard hearts.
It is better to debate a question without settling it than to settle a question without debating it.
Weakness on both sides is, the motto of all quarrels.
It takes two to quarrel, but only one to end it.
We are not won by arguments that we can analyze, but by tone and temper; by the manner, which is the man himself.
Sir, I have found you an argument. I am not obliged to find you an understanding.