Ezekiel 33:33

And when this happens; lo, it will come; then they shall know that a prophet has been among them.

Jeremiah 28:9

As for the prophet who prophesies of peace, when the word of the prophet shall come to pass, then the prophet shall be known, that Jehovah has truly sent him.

Ezekiel 2:5

And they, whether they will hear or whether they will forbear; for they are a rebellious house. Yea, they shall know that there has been a prophet among them.

1 Samuel 3:19-20

And Samuel grew, and Jehovah was with him and let none of his words fall to the ground.

2 Kings 5:8

And it happened when Elisha the man of God heard that the king of Israel had torn his clothes, he sent to the king, saying, Why have you torn your clothes? Let him now come to me, and he shall know that there is a prophet in Israel.

Ezekiel 33:29

And they shall know that I am Jehovah, when I have made the land a ruin because of all their abominations which they have committed.

Luke 10:11

Even the dust of your city which clings to us, we wipe off against you. Yet be sure of this, that the kingdom of God has come near you.

Treasury of Scripture Knowledge

Summary

And when this cometh to pass, (lo, it will come,) then shall they know that a prophet hath been among them.

General references

Bible References

When

1 Samuel 3:19
And Samuel grew, and Jehovah was with him and let none of his words fall to the ground.
Jeremiah 28:9
As for the prophet who prophesies of peace, when the word of the prophet shall come to pass, then the prophet shall be known, that Jehovah has truly sent him.

Shall

Ezekiel 2:5
And they, whether they will hear or whether they will forbear; for they are a rebellious house. Yea, they shall know that there has been a prophet among them.
2 Kings 5:8
And it happened when Elisha the man of God heard that the king of Israel had torn his clothes, he sent to the king, saying, Why have you torn your clothes? Let him now come to me, and he shall know that there is a prophet in Israel.
Luke 10:11
Even the dust of your city which clings to us, we wipe off against you. Yet be sure of this, that the kingdom of God has come near you.

General references

Ezekiel 12:15
And they shall know that I am Jehovah, when I shall scatter them among the nations and scatter them in the countries.