Isaiah 7:11
“Ask a sign for yourself from the Lord your God [one that will convince you that God has spoken and will keep His word]; make your request as deep as Sheol or as high as heaven.”
Isaiah 37:30
“This shall be the sign [of these things] to you [Hezekiah]: you are to eat this year
Isaiah 38:7-8
“This shall be the sign to you from the Lord, that the Lord will do this thing that He has spoken:
Judges 6:36-40
Then Gideon said to God, “If You are going to rescue Israel through me, as You have spoken,
2 Kings 19:29
‘Then this shall be the sign [of these things] to you [Hezekiah]: this year you will eat what grows of itself, in the second year what springs up voluntarily, and in the third year sow and reap, plant vineyards, and eat their fruit.
2 Kings 20:8-11
Hezekiah said to Isaiah, “What will be the sign that the Lord will [completely] heal me, and that I shall go up to the house of the Lord on the third day?”
Isaiah 38:22
Hezekiah also had said, “What is the sign that I will go up to the house of the Lord?”
Jeremiah 19:1
Thus says the Lord, “Go and buy a potter’s earthenware jar, and take some of the elders of the people and some of the senior priests
Jeremiah 19:10
“Then you are to break the jar in the sight of the men who accompany you,
Jeremiah 51:63-64
And as soon as you finish reading this scroll, you shall tie a stone to it and throw it into the middle of the Euphrates.
Matthew 12:38-40
Then some of the scribes and Pharisees said to Him, “Teacher, we want to see a sign (attesting miracle) from You [proving that You are what You claim to be].”
Matthew 16:1-4
Now the Pharisees and Sadducees came up, and testing Jesus [to get something to use against Him], they asked Him to show them a sign from heaven [which would support His divine authority].