John 2:18

Then answered the Jews and said to him: What sign do you show us, seeing that you do these things?

John 6:30

Therefore, they said to him: "What sign do you show, then, that we may see, and believe you? What work do you perform?

Matthew 12:39

But he answered and said to them: A wicked and adulterous generation seeks for a sign; and no sign shall be given to it, but the sign of Jonah the prophet.

John 10:38

but if I do, though you believe not me, believe the works, that you may know and believe that the Father is in me, and I in him.

Treasury of Scripture Knowledge

Summary

When Pharaoh shall speak unto you, saying, Shew a miracle for you: then thou shalt say unto Aaron, Take thy rod, and cast it before Pharaoh, and it shall become a serpent.

Bible References

Shew

Matthew 12:39
But he answered and said to them: A wicked and adulterous generation seeks for a sign; and no sign shall be given to it, but the sign of Jonah the prophet.
John 2:18
Then answered the Jews and said to him: What sign do you show us, seeing that you do these things?
John 6:30
Therefore, they said to him: "What sign do you show, then, that we may see, and believe you? What work do you perform?
John 10:38
but if I do, though you believe not me, believe the works, that you may know and believe that the Father is in me, and I in him.