"Do not offer your food to one who has no appetite for it!" ~~ Mivchar Hapeninim
"A woman watches a guest more grudgingly than a man. " ~~ Talmud, Bava Metzia
"The host enters the house first and the guest follows, but the guest is the first to leave." ~~ Derekh Eretz R.
"Visiting is like rain: prayed for when absent, but tiresome when overdone." ~~ Ibn Gabirol
"In the house of a wise man none is ever slow to perform the duties of hospitality." ~~ Philo
"If a guest enters your home, ask him no quesitons of the Torah unless you know that he can answer! " ~~ Sefer Chassidim
"The host enjoys the company of good guests." ~~ Shemen Lamaor
"Hospitality to strangers shows reverence for the name of the Lord." ~~ Talmud, Shabbat 127a
"Nowhere does the Torah say, “Invite your guest to pray”; but it does tell us to offer him food, drink and a bed." ~~ Kagan
"Hospitality to wayfarers is greater than welcoming the Shekina. " ~~ Talmud, Sabbath
"You will always be honored as a guest if you, too, can play the host. The man invited to dinner is the man who can dine at home if he likes." ~~ Chaim Weizmann
"Whatever your host tells you, do. " ~~ Talmud, Pesachim