"Israel will be redeemed only for Sabbath’s sake. " ~~ Leviticus (Vayikra) R.
"No one that feels a real link with the nation in his heart throughout the ages could imagine the existence of the Jewish people without “Sabbath the Queen”." ~~ Achad Ha’am
"The Sabbath was given for the study of the Torah." ~~ Talmud, Pesikta R. 22
"Who observes the Sabbath is as though he created it." ~~ Mekhilta
"As busy as a Jew on Friday…" ~~ Ladino Proverb
"The Sabbath is the Queen of the week." ~~ Talmud, Shabbat 119a
"It was forbidden to break the Sabbath, even when David, king of Israel, died." ~~ Tosefta
"No Sabbath laws apply wherever there is doubt that life is in danger." ~~ Yoma 8:6
"The Sabbaths are for rest and the festivals for joy, not for fasting and weeping and crying." ~~ Maimonides
"A charity pledge may be taken even on Sabbath eve. " ~~ Talmud, Bava Batra
"Sabbath has a flavor of Paradise about it." ~~ Talmud, Berakhot
"More than Israel has preserved the Sabbath, the Sabbath has preserved Israel." ~~ Achad Ha’am