2 John 1:4

I am happy to find that some of your children are living by the truth, just as we had been commanded from the Father to do.

3 John 1:3-4

For I am happy to have some brothers come and testify to the truth that is in you, since you are living by the truth.

Ephesians 5:8

For at one time you were darkness itself, but now in union with the Lord you are light itself. You must live like children of light,

Galatians 2:14

But when I saw that they were not living up to the truth of the good news, I said to Cephas, and that before them all, "If you are living like a heathen and not like a Jew, although you are a Jew yourself, why do you try to make the heathen live like Jews?"

Ephesians 5:2

and practice living in love, just as Christ loved you too and gave Himself for you as a fragrant offering and sacrifice to God.

Philippians 4:10

I was made very happy as a Christian to have your interest in my welfare revived again after so long; because you have always had the interest but not the opportunity to show it.

1 Thessalonians 2:19-20

For what is our hope or happiness or crown of boasting, except you, in the presence of our Lord Jesus Christ when He comes?

1 Thessalonians 3:6-10

But now, since Timothy has just come back to me from you, and brought me good tidings of your faith and love, and told me how kindly you remembered me and that you are longing to see me as much as I am to see you,

1 John 1:6-7

If we say "We have fellowship with Him," and yet live in darkness, we are lying and not practicing the truth.

1 John 2:6

Whoever claims, "I am always in union with Him," ought to live as He lived.

Treasury of Scripture Knowledge

Summary

I rejoiced greatly that I found of thy children walking in truth, as we have received a commandment from the Father.

Bible References

Rejoiced

Philippians 4:10
I was made very happy as a Christian to have your interest in my welfare revived again after so long; because you have always had the interest but not the opportunity to show it.
1 Thessalonians 2:19
For what is our hope or happiness or crown of boasting, except you, in the presence of our Lord Jesus Christ when He comes?
1 Thessalonians 3:6
But now, since Timothy has just come back to me from you, and brought me good tidings of your faith and love, and told me how kindly you remembered me and that you are longing to see me as much as I am to see you,
3 John 1:3
For I am happy to have some brothers come and testify to the truth that is in you, since you are living by the truth.

Walking

Galatians 2:14
But when I saw that they were not living up to the truth of the good news, I said to Cephas, and that before them all, "If you are living like a heathen and not like a Jew, although you are a Jew yourself, why do you try to make the heathen live like Jews?"
Ephesians 5:2
and practice living in love, just as Christ loved you too and gave Himself for you as a fragrant offering and sacrifice to God.
1 John 1:6
If we say "We have fellowship with Him," and yet live in darkness, we are lying and not practicing the truth.
1 John 2:6
Whoever claims, "I am always in union with Him," ought to live as He lived.