Malachi 4:5

Behold, I will send you Elijah the prophet before the great and terrible day of Jehovah come.

Luke 1:17

And he shall go before his face in the spirit and power of Elijah, to turn the hearts of the fathers to the children, and the disobedient to walk in the wisdom of the just; to make ready for the Lord a people prepared for him .

Joel 2:31

The sun shall be turned into darkness, and the moon into blood, before the great and terrible day of Jehovah cometh.

Malachi 3:1

Behold, I send my messenger, and he shall prepare the way before me: and the Lord, whom ye seek, will suddenly come to his temple; and the messenger of the covenant, whom ye desire, behold, he cometh, saith Jehovah of hosts.

Isaiah 40:3

The voice of one that crieth, Prepare ye in the wilderness the way of Jehovah; make level in the desert a highway for our God.

Malachi 4:1

For, behold, the day cometh, it burneth as a furnace; and all the proud, and all that work wickedness, shall be stubble; and the day that cometh shall burn them up, saith Jehovah of hosts, that it shall leave them neither root nor branch.

Matthew 17:10-13

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

Mark 9:11-13

And they asked him, saying, How is it that the scribes say that Elijah must first come?

John 1:21

And they asked him, What then? Art thou Elijah? And he saith, I am not. Art thou the prophet? And he answered, No.

Revelation 6:17

for the great day of their wrath is come; and who is able to stand?

Matthew 11:13-14

For all the prophets and the law prophesied until John.

Matthew 27:47-49

And some of them stood there, when they heard it, said, This man calleth Elijah.

Luke 7:26-28

But what went ye out to see? a prophet? Yea, I say unto you, and much more than a prophet.

Luke 9:30

And behold, there talked with him two men, who were Moses and Elijah;

John 1:25

And they asked him, and said unto him, Why then baptizest thou, if thou art not the Christ, neither Elijah, neither the prophet?

Acts 2:19-20

And I will show wonders in the heaven above, And signs on the earth beneath; Blood, and fire, and vapor of smoke:

Treasury of Scripture Knowledge

Summary

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

Bible References

I will

Malachi 3:1
Behold, I send my messenger, and he shall prepare the way before me: and the Lord, whom ye seek, will suddenly come to his temple; and the messenger of the covenant, whom ye desire, behold, he cometh, saith Jehovah of hosts.
Isaiah 40:3
The voice of one that crieth, Prepare ye in the wilderness the way of Jehovah; make level in the desert a highway for our God.
Matthew 11:13
For all the prophets and the law prophesied until John.
Matthew 17:10
And his disciples asked him, saying, Why then say the scribes that Elijah must first come?
Matthew 27:47
And some of them stood there, when they heard it, said, This man calleth Elijah.
Mark 9:11
And they asked him, saying, How is it that the scribes say that Elijah must first come?
Luke 1:17
And he shall go before his face in the spirit and power of Elijah, to turn the hearts of the fathers to the children, and the disobedient to walk in the wisdom of the just; to make ready for the Lord a people prepared for him .
Luke 7:26
But what went ye out to see? a prophet? Yea, I say unto you, and much more than a prophet.
Luke 9:30
And behold, there talked with him two men, who were Moses and Elijah;
John 1:21
And they asked him, What then? Art thou Elijah? And he saith, I am not. Art thou the prophet? And he answered, No.

General references

Zechariah 14:1
Behold, a day of Jehovah cometh, when thy spoil shall be divided in the midst of thee.
Matthew 11:10
This is he, of whom it is written, Behold, I send my messenger before thy face, Who shall prepare thy way before thee.
Mark 9:11
And they asked him, saying, How is it that the scribes say that Elijah must first come?
Acts 2:19
And I will show wonders in the heaven above, And signs on the earth beneath; Blood, and fire, and vapor of smoke:

American Standard Version Public Domain