Every Shabbos Includes Two

Everything on Shabbos is double. The Gemara says that if only the Jewish People would keep two Shabboses according to its laws, immediately they are redeemed. This actually refers to the “two Shabboses” within each Shabbos.

(See talk of the Lubavitcher Rebbe King Moshiach Shlita, Va’eschanan 5751 (1991))