"Do not dishonor the old: we shall all be numbered among them." ~~ Ben Sira
"Your elder brother should be respected like your father." ~~ Yemenite Proverb
"Teach a child good manners during babyhood." ~~ Nachman of Bratslav
"Do not offer your food to one who has no appetite for it!" ~~ Mivchar Hapeninim
"Good manners is thoughtfulness of God and of men." ~~ Jehiel Anav
"Do not be joyful almong the mourners!" ~~ Mishle Agur
"If a guest enters your home, ask him no quesitons of the Torah unless you know that he can answer! " ~~ Sefer Chassidim
"A man should not drink from a glass and then give it to another." ~~ Derekh Eretz R.
"Do not interrupt while another speaks." ~~ Simeon b. Yohai
"The world is governed not by morality, but by a hardened form of it, manners." ~~ Berthold Auerbach
"Fine manners are the oil that lubricates social contacts…Ability is adorned by nothing as much as by affability." ~~ Rabbi Leon Harrison
"Whatever your host tells you, do. " ~~ Talmud, Pesachim