Romans 1:2

(which he had promised before by his prophets in the holy scriptures)

Romans 3:21

But now, without the law, the righteousness of God has been manifested, being witnessed by the law and the prophets:

Titus 1:2

for the hope of eternal life, which God, who cannot lie, promised before the times of the ages

Luke 1:70

as he spoke by the mouth of the saints who from the beginning were his prophets;

Luke 24:26-27

ought not the Christ to have suffered these things and to enter (like this) into his glory?

Acts 10:43

Unto him all the prophets give witness, that whosoever believes in him shall receive remission of sins through his name.

Acts 26:6

And now I stand and am judged for the hope of the promise made of God unto our fathers;

Romans 3:2

Much in every way: first, certainly, that the oracles of God have been entrusted unto them.

Romans 16:26

but now is made manifest, and by the writings of the prophets, by the commandment of God eternal, declared unto all the Gentiles, that they might hear and obey by faith,

Treasury of Scripture Knowledge

Summary

(Which he had promised afore by his prophets in the holy scriptures,)

Bible References

Which

Luke 24:26
ought not the Christ to have suffered these things and to enter (like this) into his glory?
Acts 10:43
Unto him all the prophets give witness, that whosoever believes in him shall receive remission of sins through his name.
Acts 26:6
And now I stand and am judged for the hope of the promise made of God unto our fathers;
Titus 1:2
for the hope of eternal life, which God, who cannot lie, promised before the times of the ages

By

Romans 3:21
But now, without the law, the righteousness of God has been manifested, being witnessed by the law and the prophets: