"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
"The Sabbath and holidays are the primary reason for Jewish endurance and glory." ~~ Judah Halevi
"It is the Sabbath, and one should not weep, for healing is nigh to come." ~~ Talmud, Shabbat
"Great is the Sabbath, since it outweighs all religious precepts." ~~ Midrash Gadol Ugdula
"On six days work may be done, but on the seventh day you shall have a Sabbath of complete rest, holy to the Lord." ~~ Exodus (Shmot) 35:2
"The Sabbath was delivered unto you, and not you unto the Sabbath." ~~ Talmud, Yoma 25b
"The Sabbath is a day of rest, of mental scrutiny and of balance. Without it the workdays are insipid. " ~~ Chaim Nachman Bialik
"The Sabbath never ceases to be." ~~ Mekhilta