Authors:

During the tribulation there will be a national turning of Israel to the Lord; they will walk in righteousness. ... God established an everlasting covenant with Israel and it will be of everlasting duration.

Paul P. Enns (2011). “Heaven Revealed: What Is It Like? What Will We Do?... And 11 Other Things You've Wondered About”, p.99, Moody Publishers
During the tribulation there will be a national turning of Israel to the Lord; they will walk in righteousness. ... God established an everlasting covenant with Israel and it will be of everlasting duration.