Matthew 12:38-42
Then some of the scribes and Pharisees said to Him, “Teacher, we want to see a sign from You.” / Jesus replied, “A wicked and adulterous generation demands a sign, but none will be given it except the sign of the prophet Jonah. / For as Jonah was three days and three nights in the belly of the great fish, so the Son of Man will be three days and three nights in the heart of the earth. ...

Mark 8:11-12
Then the Pharisees came and began to argue with Jesus, testing Him by demanding from Him a sign from heaven. / Jesus sighed deeply in His spirit and said, “Why does this generation demand a sign? Truly I tell you, no sign will be given to this generation.”

John 6:30
So they asked Him, “What sign then will You perform, so that we may see it and believe You? What will You do?

1 Corinthians 1:22
Jews demand signs and Greeks search for wisdom,

Matthew 16:1-4
Then the Pharisees and Sadducees came and tested Jesus by asking Him to show them a sign from heaven. / But He replied, “When evening comes, you say, ‘The weather will be fair, for the sky is red,’ / and in the morning, ‘Today it will be stormy, for the sky is red and overcast.’ You know how to interpret the appearance of the sky, but not the signs of the times. ...

John 2:18
On account of this, the Jews demanded, “What sign can You show us to prove Your authority to do these things?”

Exodus 7:9-10
“When Pharaoh tells you, ‘Perform a miracle,’ you are to say to Aaron, ‘Take your staff and throw it down before Pharaoh,’ and it will become a serpent.” / So Moses and Aaron went to Pharaoh and did just as the LORD had commanded. Aaron threw his staff down before Pharaoh and his officials, and it became a serpent.

Deuteronomy 13:1-3
If a prophet or dreamer of dreams arises among you and proclaims a sign or wonder to you, / and if the sign or wonder he has spoken to you comes about, but he says, “Let us follow other gods (which you have not known) and let us worship them,” / you must not listen to the words of that prophet or dreamer. For the LORD your God is testing you to find out whether you love Him with all your heart and with all your soul.

Isaiah 7:11-14
“Ask for a sign from the LORD your God, whether from the depths of Sheol or the heights of heaven.” / But Ahaz replied, “I will not ask; I will not test the LORD.” / Then Isaiah said, “Hear now, O house of David! Is it not enough to try the patience of men? Will you try the patience of my God as well? ...

1 Kings 13:3-5
That day the man of God gave a sign, saying, “The LORD has spoken this sign: ‘Surely the altar will be split apart, and the ashes upon it will be poured out.’” / Now when King Jeroboam, who was at the altar in Bethel, heard the word that the man of God had cried out against it, he stretched out his hand and said, “Seize him!” But the hand he stretched out toward him withered, so that he could not pull it back. / And the altar was split apart, and the ashes poured out, according to the sign that the man of God had given by the word of the LORD.

2 Kings 20:8-11
Now Hezekiah had asked Isaiah, “What will be the sign that the LORD will heal me and that I will go up to the house of the LORD on the third day?” / And Isaiah had replied, “This will be a sign to you from the LORD that He will do what He has promised: Would you like the shadow to go forward ten steps, or back ten steps?” / “It is easy for the shadow to lengthen ten steps,” answered Hezekiah, “but not for it to go back ten steps.” ...

Judges 6:36-40
Then Gideon said to God, “If You are going to save Israel by my hand, as You have said, / then behold, I will place a fleece of wool on the threshing floor. If there is dew only on the fleece and all the ground is dry, then I will know that You are going to save Israel by my hand, as You have said.” / And that is what happened. When Gideon arose the next morning, he squeezed the fleece and wrung out the dew—a bowlful of water. ...

Isaiah 38:7-8
This will be a sign to you from the LORD that He will do what He has promised: / I will make the sun’s shadow that falls on the stairway of Ahaz go back ten steps.’” So the sunlight went back the ten steps it had descended.

Numbers 14:11
And the LORD said to Moses, “How long will this people treat Me with contempt? How long will they refuse to believe in Me, despite all the signs I have performed among them?

Psalm 95:9
where your fathers tested and tried Me, though they had seen My work.