1 Kings 13:3

The same day he gave them a sign, saying, This is the sign which the Lord has given: See, the altar will be broken and the burned waste on it overturned.

1 Corinthians 1:22

Seeing that the Jews make request for signs, and the Greeks are looking for knowledge:

Exodus 4:3-5

And he said, Put it down on the earth. And he put it down on the earth and it became a snake; and Moses went running from it.

Judges 6:17

So he said to him, If now I have grace in your eyes, then give me a sign that it is you who are talking to me.

John 2:18

Then the Jews put this question to him: What sign of authority have you to give us, seeing that you do these things?

Exodus 4:8-9

And if they do not have faith in you or give ear to the voice of the first sign, they will have faith in the second sign.

Exodus 7:10

Then Moses and Aaron went in to Pharaoh and they did as the Lord had said: and Aaron put his rod down on the earth before Pharaoh and his servants, and it became a snake.

Deuteronomy 13:1-3

If ever you have among you a prophet or a dreamer of dreams and he gives you a sign or a wonder,

1 Samuel 2:34

And this will be the sign to you, which will come on Hophni and Phinehas, your sons; death will overtake them on the same day.

2 Kings 20:8

And Hezekiah said to Isaiah, What is to be the sign that the Lord will make me well, and that I will go up to the house of the Lord on the third day?

Isaiah 7:11-14

Make a request to the Lord your God for a sign, a sign in the deep places of the underworld, or in the high heavens.

Isaiah 38:6-8

And I will keep you and this town safe from the hands of the king of Assyria: and I will keep watch over this town.

Isaiah 38:22

And Hezekiah said, What is the sign that I will go up to the house of the Lord?

Jeremiah 44:29

And this will be the sign to you, says the Lord, that I will give you punishment in this place, so that you may see that my words will certainly have effect against you for evil:

Matthew 12:38-40

Then some of the scribes and Pharisees, hearing this, said to him, Master, we are looking for a sign from you.

Treasury of Scripture Knowledge did not add

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain