New Revised Standard Version
They said, “If you are the Messiah, tell us.” He replied, “If I tell you, you will not believe;

Contemporary English Version
They said, "Tell us! Are you the Messiah?" Jesus replied, "If I said so, you wouldn't believe me.

New American Bible
They said, “If you are the Messiah, tell us,” but he replied to them, “If I tell you, you will not believe,

Douay-Rheims Bible
And he saith to them: If I shall tell you, you will not believe me.

And he saith to them: If I shall tell you, you will not believe me.

Art.

Matthew 11:3-5 Art thou he that art to come, or look we for another? . . .

Matthew 26:63 But Jesus held his peace. And the high priest said to him: I adjure thee by the living God, that thou tell us if thou be the Christ the Son of God.

*etc:

Mark 14:61 But he held his peace and answered nothing. Again the high priest asked him and said to him: Art thou the Christ, the Son of the Blessed God?

*etc:

John 10:24 The Jews therefore came round about him and said to him: How long dost thou hold our souls in suspense? If thou be the Christ, tell us plainly.

If.

Luke 16:31 And he said to him: If they hear not Moses and the prophets, neither will they believe, if one rise again from the dead.

John 5:39-47 Search the scriptures: for you think in them to have life everlasting. And the same are they that give testimony of me. . . .

John 8:43-45 Why do you not know my speech? Because you cannot hear my word. . . .

John 9:27,28 He answered them: I have told you already, and you have heard. Why would you hear it again? Will you also become his disciples? . . .

John 10:25,26 Jesus answered them: I speak to you, and you believe not: the works that I do in the name of my Father, they give testimony of me. . . .

John 12:37-43 And whereas he had done so many miracles before them, they believed not in him: . . .