3 John 1:4

² Beloved, I wish above all things that thou mayest prosper and be in health, even as thy soul prospereth.

³ For I rejoiced greatly, when the brethren came and testified of the truth that is in thee, even as thou walkest in the truth.

I have no greater joy than to hear that my children walk in truth.

⁵ Beloved, thou doest faithfully whatsoever thou doest to the brethren, and to strangers;

⁶ Which have borne witness of thy charity before the church: whom if thou bring forward on their journey after a godly sort, thou shalt do well:

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: I have no greater joy than to hear that my children are walking in the truth.
KJV: I have no greater joy than to hear that my children walk in truth.
WEB: I have no greater joy than this: to hear about my children walking in truth.
ASV: Greater joy have I none than this, to hear of my children walking in the truth.
DARBY: I have no greater joy than these things that I hear of my children walking in the truth.
BLB: I have no greater joy than these things, that I should hear of my children walking in the truth.

ÅB: Større glede har jeg ikke enn dette at jeg hører mine barn vandrer i sannheten.
OTB: Det er ingen større glede for meg enn å høre at mine barn lever i sannheten.
B1930: Større glede har jeg ikke enn dette at jeg hører mine barn vandrer i sannheten.

Galatians 4:19
My little children, of whom I travail in birth again until Christ be formed in you,
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Proverbs 23:24
The father of the righteous shall greatly rejoice: and he that begetteth a wise child shall have joy of him.
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2 Timothy 1:2
To Timothy, my dearly beloved son: Grace, mercy, and peace, from God the Father and Christ Jesus our Lord.
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1 Timothy 1:2
Unto Timothy, my own son in the faith: Grace, mercy, and peace, from God our Father and Jesus Christ our Lord.
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2 Kings 20:3
I beseech thee, O LORD, remember now how I have walked before thee in truth and with a perfect heart, and have done that which is good in thy sight. And Hezekiah wept sore.
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1 Kings 2:4
That the LORD may continue his word which he spake concerning me, saying, If thy children take heed to their way, to walk before me in truth with all their heart and with all their soul, there shall not fail thee (said he) a man on the throne of Israel.
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Galatians 2:14
But when I saw that they walked not uprightly according to the truth of the gospel, I said unto Peter before them all, If thou, being a Jew, livest after the manner of Gentiles, and not as do the Jews, why compellest thou the Gentiles to live as do the Jews?
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Philemon 1:10
I beseech thee for my son Onesimus, whom I have begotten in my bonds:
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