"All men should rise when a sage passes." ~~ Talmud, Kiddushin 33a
"Be first in greeting every man!" ~~ Avot 4:15
"Never enter a neighbor’s house unwarned." ~~ Derekh Eretz R.
"Shame not the old: we shall all be numbered among them." ~~ Ben Sira 8:6
"Do not interrupt while another speaks." ~~ Simeon b. Yohai
"Be not boastful in your speech! " ~~ Ben Sira 4:32
"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
"A man without grace is as a tale out of season." ~~ Ben Sira 20:14
"If you do a man a favor, do not regard it as a debt he must repay!" ~~ Mishle Shua’lim
"Too honor an old man one should not sit in his place or contradict his words." ~~ Rashi
"Talk not while you eat, lest windpipe anticipate gullet (and life be in danger)!" ~~ Talmud, Ta’anit