Matthew 17:11

Jesus answered, 'tis true, Elias was to come first and set all things right.

Luke 1:16-17

he shall convert many of the children of Israel to the Lord their God.

Acts 3:21

but must reside in heaven, till the time of the restitution of all things, of which God has spoken from the beginning by the mouth of his holy prophets.

Luke 3:3-14

in pursuance of which, he went into all the country about Jordan, exhorting all to repent and be baptized, in order to obtain the remission of their 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
he shall convert many of the children of Israel to the Lord their God.
Luke 3:3
in pursuance of which, he went into all the country about Jordan, exhorting all to repent and be baptized, in order to obtain the remission of their sins.
Acts 3:21
but must reside in heaven, till the time of the restitution of all things, of which God has spoken from the beginning by the mouth of his holy prophets.

General references

Mark 9:11
At length they started this question, why do the Scribes say, that Elias must first come?