George Washington's Rules of Civility Traced to their Sources and Restored by Moncure D. Conway
Chapter vii. 31. Dans les disputes qui arriuent, principalement en
conuersation, ne soyez pas si desireux de gagner, que vous ne laissiez dire a chacun son aduis, & soit que vous ayez tort, ou raison, vous deuez acquiescer au jugement du plus grand nombre, ou mesme des plus fascheux, & beaucoup plus de ceux de qui vous dépendez, ou qui sont juges de la dispute.
In disputes that arise, especially in conversation, be not so desirous to overcome as not to leave each one liberty to deliver his opinion; and whether you be wrong or right you should acquiesce in the judgment of the majority, or even of the most persistent, all the more if they are your masters or patrons, or judges of the discussion.
87th. [Let your bearing be such] as becomes a Man Grave Settled and attentive [to what is said, without being too serious. Contra]dict not at every turn what others Say