The man who questions opinions is wise. The man who quarrels with facts is a fool.
— Frank Garbutt

Wise men do not quarrel with each other.
Danish proverb quarreled quote

If we open a quarrel between the past and the present, we shall find we have lost the future.
— Winston Churchill

A quarrel is quickly settled when deserted by one party; there is no battle unless there be two.
— Marcus Annaeus Seneca Seneca The Elder

It takes two to quarrel, but only one to end it.
— quarreled quotation by Proverbs