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
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.
It is the briefest yet wisest maxim which tells us to meddle not.
Soft words win hard hearts.
Weakness on both sides is, the motto of all quarrels.
It takes two to quarrel, but only one to end it.
Sir, I have found you an argument. I am not obliged to find you an understanding.
It is better to debate a question without settling it than to settle a question without debating it.
The most savage controversies are those about matters as to which there is no good evidence either way.