Exodus 4:3-5, 8, 9
"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. . . .

Exodus 7:10
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, . . .

1 Samuel 2:34
And this sign shall come to you concerning your two sons Hophni and Phinehas: They will both die on the same day.

2 Kings 20:8
Now Hezekiah had asked Isaiah, "What is the sign that the LORD will heal me and that I will go up to the house of the LORD on the third day?"

Isaiah 7:11-14
"Ask for a sign from the LORD your God, whether from the depths of Sheol or the heights of heaven." . . .

Isaiah 38:6-8, 22
And I will deliver you and this city from the hand of the king of Assyria; I will defend this city. . . .

Jeremiah 44:29
This will be a sign to you, declares the LORD, that I will punish you in this place, so you may know that My threats of harm against you will surely stand.

Matthew 12:38-40
Then some of the scribes and Pharisees said to Him, "Teacher, we want to see a sign from You." . . .

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

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