The Sages have said:

Does not atonement come through the blood, as it is said: For it is the blood that maketh atonement by reason of the life!

Babylonian Talmud

Babylonian Talmud, Yoma 5a referring to Vayikra (Lev.) 17:11 in the Tanakh

The Sages have said:

And the King Messiah will be revealed and all the nations of the world will gather around King Messiah, and the verse will be fulfilled, 'The root of Jesse which standeth as the peoples' ensign, unto it shall the nations seek, and his resting place shall be glory. (Isaiah 11:10)'