Matthew 17:11

He answered, "Elijah does come and will get everything ready.

Luke 1:16-17

And he will turn many of Israel's descendants to the Lord their God.

Acts 3:21

Yet heaven must retain Him till the time for the universal restoration of which God in the early ages spoke through the lips of His holy prophets.

Luke 3:3-14

And he went all over the Jordan valley, preaching a baptism conditioned on repentance to obtain the forgiveness of sins,

Treasury of Scripture Knowledge

Summary

And Jesus answered and said unto them, Elias truly shall first come, and restore all things.

General references

Bible References

And restore

Luke 1:16
And he will turn many of Israel's descendants to the Lord their God.
Luke 3:3
And he went all over the Jordan valley, preaching a baptism conditioned on repentance to obtain the forgiveness of sins,
Acts 3:21
Yet heaven must retain Him till the time for the universal restoration of which God in the early ages spoke through the lips of His holy prophets.

General references

Mark 9:11
Then they asked Him, "Why do the scribes say that Elijah has to come first?"