John 2:18

Then answered the Jews and said to him, What sign shewest thou us, seeing thou dost these things?

John 6:30

They said therefore to him, What sign dost thou then, that we may see and believe thee? What dost thou work?

Matthew 12:39

And he answered and said to them, An evil and adulterous generation seeketh a sign, and there shall no sign be given it, but the sign of the prophet Jonah.

John 10:38

But if I do, tho' ye believe not me, believe the works; that ye 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
And he answered and said to them, An evil and adulterous generation seeketh a sign, and there shall no sign be given it, but the sign of the prophet Jonah.
John 2:18
Then answered the Jews and said to him, What sign shewest thou us, seeing thou dost these things?
John 6:30
They said therefore to him, What sign dost thou then, that we may see and believe thee? What dost thou work?
John 10:38
But if I do, tho' ye believe not me, believe the works; that ye may know and believe, that the Father is in me, and I in him.