Luke 3:15

Then, while the people were in suspense, and were all debating with themselves whether John could be the Christ,

John 1:19-28

When the Jews sent some Priests and Levites to John from Jerusalem, to ask--"Who are you?", his statement was this:

John 3:28-29

You are yourselves witnesses that I said 'I am not the Christ,' but 'I have been sent before him as a Messenger.'

John 10:24

When the Jews gathered round him, and said: "How long are you going to keep us in suspense? If you are the Christ, tell us so frankly."

Treasury of Scripture Knowledge

Summary

And as the people were in expectation, and all men mused in their hearts of John, whether he were the Christ, or not;

Expectation

General references

Bible References

Expectation

John 10:24
When the Jews gathered round him, and said: "How long are you going to keep us in suspense? If you are the Christ, tell us so frankly."

Mused

John 1:19
When the Jews sent some Priests and Levites to John from Jerusalem, to ask--"Who are you?", his statement was this:
John 3:28
You are yourselves witnesses that I said 'I am not the Christ,' but 'I have been sent before him as a Messenger.'

General references

John 1:20
He confessed and did not deny it, he confessed--"I am not the Christ."