28 You yourselves testify that I said, ‘I am not the Christ,’ but, ‘I have been sent before him.’
John 3:28 Cross References - WEB
Malachi 3:1
1 “Behold, I send my messenger, and he will prepare the way before me; and the Lord, whom you seek, will suddenly come to his temple; and the messenger of the covenant, whom you desire, behold, he comes!” says Yahweh of Armies.
Malachi 4:4-5
Matthew 3:3
3 For this is he who was spoken of by Isaiah the prophet, saying, “The voice of one crying in the wilderness, make the way of the Lord ready! Make his paths straight!”
Matthew 3:11-12
11 I indeed baptize you in water for repentance, but he who comes after me is mightier than I, whose sandals I am not worthy to carry. He will baptize you in the Holy Spirit.
12 His winnowing fork is in his hand, and he will thoroughly cleanse his threshing floor. He will gather his wheat into the barn, but the chaff he will burn up with unquenchable fire.”
Mark 1:2-3
Luke 1:16-17
Luke 1:76
76 And you, child, will be called a prophet of the Most High; for you will go before the face of the Lord to prepare his ways,
Luke 3:4-6
4 As it is written in the book of the words of Isaiah the prophet, “The voice of one crying in the wilderness, ‘Make ready the way of the Lord. Make his paths straight.
5 Every valley will be filled. Every mountain and hill will be brought low. The crooked will become straight, and the rough ways smooth.
6 All flesh will see God’s salvation.’”
John 1:20
20 He declared, and didn’t deny, but he declared, “I am not the Christ.”
John 1:23
23 He said, “I am the voice of one crying in the wilderness, ‘Make straight the way of the Lord,’ as Isaiah the prophet said.”
John 1:25
25 They asked him, “Why then do you baptize, if you are not the Christ, nor Elijah, nor the prophet?”
John 1:27
27 He is the one who comes after me, who is preferred before me, whose sandal strap I’m not worthy to loosen.”