New Revised Standard Version
Jesus answered them, “This is the work of God, that you believe in him whom he has sent.”

Contemporary English Version
Jesus answered, "God wants you to have faith in the one he sent."

New American Bible
Jesus answered and said to them, “This is the work of God, that you believe in the one he sent.”

Douay-Rheims Bible
Jesus answered and said to them: This is the work of God, that you believe in him whom he hath sent.

Jesus answered and said to them: This is the work of God, that you believe in him whom he hath sent.

This.

John 3:16-18,36 For God so loved the world, as to give his only begotten Son: that whosoever believeth in him may not perish, but may have life everlasting. . . .

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

Deuteronomy 18:18,19 I will raise them up a prophet out of the midst of their brethren like to thee: and I will put my words in his mouth, and he shall speak to them all that I shall command him. . . .

Psalm 2:12 Embrace discipline, lest at any time the Lord be angry, and you perish from the just way. [13] When his wrath shall be kindled in a short time, blessed are all they that trust in him.

Matthew 17:5 And as he was yet speaking, behold a bright cloud overshadowed them. And lo a voice out of the cloud, saying: This is my beloved Son, in whom I am well pleased: hear ye him.

Mark 16:16 He that believeth and is baptized shall be saved: but he that believeth not shall he condemned.

Acts 16:31 But they said: believe in the Lord Jesus: and thou shalt be saved, and thy house.

Acts 22:14-16 But he said: The God of our fathers hath preordained thee that thou shouldst know his will and see the Just One and shouldst hear the voice from his mouth. . . .

Romans 4:4,5 Now to him that worketh, the reward is not reckoned according to grace but according to debt. . . .

Romans 9:30,31 What then shall we say? That the Gentiles who followed not after justice have attained to justice, even the justice that is of faith. . . .

Romans 10:3,4 For they, not knowing the justice of God and seeking to establish their own, have not submitted themselves to the justice of God. . . .

Hebrews 5:9 And being consummated, he became, to all that obey him, the cause of eternal salvation:

1 John 3:23 And this is his commandment: That we should believe in the name of his Son Jesus Christ and love one another, as he hath given commandment unto us.

1 John 5:1 Whosoever believeth that Jesus is the Christ, is born of God. And every one that loveth him who begot, loveth him also who is born of him.