John 1:7

1:7 He came as a witness to testify about the light, so that everyone might believe through him.

Isaiah 40:3-5

40:3 A voice cries out,

“In the wilderness clear a way for the Lord;

construct in the desert a road for our God.

40:4 Every valley must be elevated,

and every mountain and hill leveled.

The rough terrain will become a level plain,

the rugged landscape a wide valley.

40:5 The splendor of the Lord will be revealed,

and all people will see it at the same time.

For the Lord has decreed it.”

Malachi 3:1

3:1 “I am about to send my messenger, who will clear the way before me. Indeed, the Lord you are seeking will suddenly come to his temple, and the messenger of the covenant, whom you long for, is certainly coming,” says the Lord who rules over all.

Malachi 4:2-5

4:2 But for you who respect my name, the sun of vindication will rise with healing wings, and you will skip about like calves released from the stall. 4:3 You will trample on the wicked, for they will be like ashes under the soles of your feet on the day which I am preparing,” says the Lord who rules over all.

Restoration through the Lord

4:4 “Remember the law of my servant Moses, to whom at Horeb I gave rules and regulations for all Israel to obey. 4:5 Look, I will send you Elijah the prophet before the great and terrible day of the Lord arrives.

Luke 1:17

1:17 And he will go as forerunner before the Lord in the spirit and power of Elijah, to turn the hearts of the fathers back to their children and the disobedient to the wisdom of the just, to make ready for the Lord a people prepared for him.”

Luke 1:76-79

1:76 And you, child, will be called the prophet of the Most High.

For you will go before the Lord to prepare his ways,

1:77 to give his people knowledge of salvation through the forgiveness of their sins.

1:78 Because of our God’s tender mercy

the dawn will break upon us from on high

1:79 to give light to those who sit in darkness and in the shadow of death,

to guide our feet into the way of peace.”