"A man without grace is as a tale out of season." ~~ Ben Sira 20:14
"Do not dishonor the old: we shall all be numbered among them." ~~ Ben Sira
"All men should rise when a sage passes." ~~ Talmud, Kiddushin 33a
"You shall rise before the aged and show deference to the old." ~~ Leviticus (Vayikra) 19:32
"Your elder brother should be respected like your father." ~~ Yemenite Proverb
"Teach a child good manners during babyhood." ~~ Nachman of Bratslav
"If you do a man a favor, do not regard it as a debt he must repay!" ~~ Mishle Shua’lim
"The Torah teaches incidentally good manners." ~~ Ishmael b. Elisha
"Do not offer your food to one who has no appetite for it!" ~~ Mivchar Hapeninim
"Without manners no Torah, without Torah no manners." ~~ Eleazar b. Azariah, Mishna: Avot
"Good manners is thoughtfulness of God and of men." ~~ Jehiel Anav
"Do not be joyful almong the mourners!" ~~ Mishle Agur