Shabbat: Beyond the Laws
Shabbat is a Sign of the link between HaShem and Yisrael: Shabbat 132a
The Divine Reward for keeping Shabbat in accordance with its laws: Shabbat 118b
Divine Reward for honoring Shabbat: Shabbat 119a
Divine Punishment for breaking Shabbat: Shabbat 119b
Destruction of Jerusalem was caused by the breaking of Shabbat: Shabbat 119b
