The Messiah's sacrifice on the cross would provide redemption for all mankind.
OT Prophecy NT Fulfillment
Isaiah 53:5b
"But he was wounded for our transgressions, he was bruised for our iniquities: the chastisement of our peace was upon him; and with his stripes we are healed."
Colossians 1:20
"And, having made peace through the blood of his cross, by him to reconcile all things unto himself; by him, I say, whether they be things in earth, or things in heaven."

Ephesians 2:13–18
[13] But now in Christ Jesus ye who sometimes were far off are made nigh by the blood of Christ.
[14] For he is our peace, who hath made both one, and hath broken down the middle wall of partition between us;
[15] Having abolished in his flesh the enmity, even the law of commandments contained in ordinances; for to make in himself of twain one new man, so making peace;
[16] And that he might reconcile both unto God in one body by the cross, having slain the enmity thereby:
[17] And came and preached peace to you which were afar off, and to them that were nigh.
[18] For through him we both have access by one Spirit unto the Father.
Tanakh – Neviim – Isaiah 53:5b
"But he was wounded because of our transgressions, he was crushed because of our iniquities: the chastisement of our welfare was upon him, and with his stripes we were healed."
Hebrew OT – Isaiah 53:5b
[53:5] וְהוּא מְחֹלָל מִפְּשָׁעֵינוּ
מְדֻכָּא מֵעֲוֹנוֹתֵינוּ
מוּסַר שְׁלוֹמֵנוּ עָלָיו
וּבַחֲבֻרָתוֹ נִרְפָּא־לָנוּ