Matthew 11:14

And also if ye will receive it, this is Elijah, which should come.

Malachi 4:5

Behold, I will send you Elijah the prophet: before the coming of the day of the great and fearful LORD.

Matthew 17:10-13

And his disciples asked of him, saying, "Why then say the scribes, that Elijah must first come?"

Mark 9:11-13

And they asked him, saying, "Why then Say the scribes, that Elijah must first come?"

Luke 1:17

And he shall go before him in the spirit and power of Elijah, to turn the hearts of the fathers to their children, and the unbelievers to the wisdom of the just men: to make the people ready for the Lord."

Ezekiel 2:5

that whether they be obedient or no - for it is a froward household - they may know yet that there hath been a Prophet among them.

Ezekiel 3:10-11

He said moreover unto me, "Thou son of man, take diligent heed with thine ears, to the words that I speak unto thee, fasten them in thine heart:

John 1:21-23

And they asked him, "What then? Art thou Elijah?" And he said, "I am not." Art thou that prophet? And he answered, "No."

John 16:12

I have yet many things to say unto you, But ye cannot bear them away now.

1 Corinthians 3:2

I gave you milk to drink and not meat. For ye then were not strong - no, neither yet are strong.

Revelation 20:4

And I saw seats, and they sat upon them, and judgment was given unto them: and I saw the souls of them that were beheaded for the witness of Jesus, and for the word of God: which had not worshipped the beast, neither his image, neither had taken his mark upon their foreheads, or on their hands: and they lived, and reigned with Christ a thousand years.

Treasury of Scripture Knowledge

Summary

And if ye will receive it, this is Elias, which was for to come.

General references

Bible References

If

Ezekiel 2:5
that whether they be obedient or no - for it is a froward household - they may know yet that there hath been a Prophet among them.
Ezekiel 3:10
He said moreover unto me, "Thou son of man, take diligent heed with thine ears, to the words that I speak unto thee, fasten them in thine heart:
John 16:12
I have yet many things to say unto you, But ye cannot bear them away now.
1 Corinthians 3:2
I gave you milk to drink and not meat. For ye then were not strong - no, neither yet are strong.

General references

Mark 9:11
And they asked him, saying, "Why then Say the scribes, that Elijah must first come?"