Exodus 4:8

"It will happen, if they will neither believe you nor listen to the voice of the first sign, that they will believe the voice of the latter sign.

Exodus 4:30-31

Aaron spoke all the words which Yahweh had spoken to Moses, and did the signs in the sight of the people.

Deuteronomy 32:39

"See now that I, even I, am he, There is no god with me. I kill, and I make alive. I wound, and I heal. There is no one who can deliver out of my hand.

2 Kings 5:7

It happened, when the king of Israel had read the letter, that he tore his clothes, and said, "Am I God, to kill and to make alive, that this man sends to me to heal a man of his leprosy? But please consider and see how he seeks a quarrel against me."

Job 5:18

For he wounds, and binds up. He injures, and his hands make whole.

Isaiah 28:10

For it is precept on precept, precept on precept; line on line, line on line; here a little, there a little.

John 12:37

But though he had done so many signs before them, yet they didn't believe in him,

Treasury of Scripture Knowledge

Summary

And it shall come to pass, if they will not believe thee, neither hearken to the voice of the first sign, that they will believe the voice of the latter sign.

General references

Bible References

If they

Exodus 4:30
Aaron spoke all the words which Yahweh had spoken to Moses, and did the signs in the sight of the people.
Isaiah 28:10
For it is precept on precept, precept on precept; line on line, line on line; here a little, there a little.
John 12:37
But though he had done so many signs before them, yet they didn't believe in him,

That they

Deuteronomy 32:39
"See now that I, even I, am he, There is no god with me. I kill, and I make alive. I wound, and I heal. There is no one who can deliver out of my hand.
2 Kings 5:7
It happened, when the king of Israel had read the letter, that he tore his clothes, and said, "Am I God, to kill and to make alive, that this man sends to me to heal a man of his leprosy? But please consider and see how he seeks a quarrel against me."
Job 5:18
For he wounds, and binds up. He injures, and his hands make whole.

General references

1 Kings 13:3
He gave a sign the same day, saying, "This is the sign which Yahweh has spoken: Behold, the altar will be split apart, and the ashes that are on it will be poured out."