Civility.

Stuart, George Washington, 1795

Fourteen year-old George Washington's Rules for Civility ...

These maxims originated in the late sixteenth century in France and were popularly circulated during Washington's time. This exercise, now regarded as a formative influence in the development of his character, included guidelines for behavior in pleasant company, appropriate actions in formal situations, and general courtesies.

My favorite ...

While someone is Speaking, raise not your Index finger while checking your electronic  interrupter.