Exodus 3:12
“I will surely be with you,” God said, “and this will be the sign to you that I have sent you: When you have brought the people out of Egypt, all of you will worship God on this mountain.”

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? ...

Genesis 15:8
But Abram replied, “Lord GOD, how can I know that I will possess it?”

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.” ...

Luke 1:18-20
“How can I be sure of this?” Zechariah asked the angel. “I am an old man, and my wife is well along in years.” / “I am Gabriel,” replied the angel. “I stand in the presence of God, and I have been sent to speak to you and to bring you this good news. / And now you will be silent and unable to speak until the day this comes to pass, because you did not believe my words, which will be fulfilled at their proper time.”

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?

Matthew 12:38-39
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.

1 Samuel 14:9-10
If they say, ‘Wait until we come to you,’ then we will stay where we are and will not go up to them. / But if they say, ‘Come on up,’ then we will go up, because this will be our sign that the LORD has delivered them into our hands.”

2 Kings 2:9-12
After they had crossed over, Elijah said to Elisha, “Tell me, what can I do for you before I am taken away from you?” “Please, let me inherit a double portion of your spirit,” Elisha replied. / “You have requested a difficult thing,” said Elijah. “Nevertheless, if you see me as I am taken from you, it will be yours. But if not, then it will not be so.” / As they were walking along and talking together, suddenly a chariot of fire with horses of fire appeared and separated the two of them, and Elijah went up into heaven in a whirlwind. ...

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 2:18-19
On account of this, the Jews demanded, “What sign can You show us to prove Your authority to do these things?” / Jesus answered, “Destroy this temple, and in three days I will raise it up again.”

Exodus 4:1-9
Then Moses answered, “What if they do not believe me or listen to my voice? For they may say, ‘The LORD has not appeared to you.’” / And the LORD asked him, “What is that in your hand?” “A staff,” he replied. / “Throw it on the ground,” said the LORD. So Moses threw it on the ground, and it became a snake, and he ran from it. ...

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.

Luke 11:29-30
As the crowds were increasing, Jesus said, “This is a wicked generation. It demands a sign, but none will be given it except the sign of Jonah. / For as Jonah was a sign to the Ninevites, so the Son of Man will be a sign to this generation.

Acts 2:22
Men of Israel, listen to this message: Jesus of Nazareth was a man certified by God to you by miracles, wonders, and signs, which God did among you through Him, as you yourselves know.