-Tanna Devei Eliyahu Rabbah 3
The Messianic era will last for 1,000 years. This corresponds to the verse, ‘For a thousand years in Your sight are like a day that has just gone by’ (Psalms 90:4).
-Talmud, Avodah Zarah 9a
Elijah will not come until the generation is entirely guilty or entirely righteous.
-Midrash Tanchuma, Vayeira 6
Just as the seventh day of creation was sanctified and made holy, so too will the seventh millennium be a time of holiness and rest for the righteous.
-Midrash Rabbah, Genesis 2:3
The world was created with the letters of the Torah. Its times and seasons are fixed, and the end of days is engraved upon the tablets of heaven. Yet, repentance can overturn even decrees written in the stars.
-Tanna Devei Eliyahu Zuta 4
If all of Israel were to observe two consecutive Sabbaths properly, they would be redeemed immediately.
-Talmud, Shabbat 118a
Elijah will resolve all disputes in the end of days, including those about the calendar and the times appointed for redemption.
-Talmud, Eruvin 43b
The world will last for 6,000 years: 2,000 years of desolation, 2,000 years of Torah, and 2,000 years of the days of the Messiah. In the seventh millennium, the world will be rebuilt in glory.
-Seder Olam Rabbah, Chapter 1
At the end of days, Elijah will stand on the mountains of Israel and blow the great shofar, proclaiming the time of redemption.
-Pirkei DeRabbi Eliezer, Chapter 11