2 Thessalonians 1:3

We ought always to give thanks to God for you, brethren, as it is worthy, because your faith increases, and the divine love of each one of you all towards one another abounds more and more;

2 Thessalonians 2:13

But we ought to give thanks to God always for you, brethren beloved of the Lord, because God chose you from the beginning unto salvation through sanctification of the Spirit and belief of the truth;

Romans 1:8

In the first place, indeed, I praise my God through Jesus Christ for you all, because your faith is spoken of throughout the whole world.

1 Thessalonians 1:2-3

We give thanks to God always for you all, making mention in our prayers;

1 Thessalonians 4:1

Finally therefore, brethren, we pray you and exhort you in the Lord Jesus, that as you received from us how it behooves you to walk about and to please God, as you do indeed walk about, in order that you may abound more and more.

Luke 15:32

and it behooved me to be glad and rejoice; because this thy brother was dead, and is alive; was lost, and is found.

Luke 17:5

And the apostles said to the Lord, Increase our faith.

John 15:2

Every branch in me not producing fruit, He takes it away: and every one producing fruit, He purifies it, that it may produce more fruit.

1 Corinthians 1:4

I give thanks to my God always in your behalf, for the grace of God given unto you in Christ Jesus;

Ephesians 5:20

always giving thanks for all things in the name of our Lord Jesus Christ to God, even the Father;

Philippians 1:7

as it is righteous for me to think in behalf of you all, because I have you in my heart, both in my bonds and in the defence and confirmation of the gospel, that you are all my fellow-partakers of the grace.

Philippians 1:9

And I pray this, that your divine love may yet more and more abound in perfect knowledge and all understanding;

1 Thessalonians 3:6

But Timothy, having already come to us from you, and proclaimed to us the good news of your faith and your divine love, and that you always have a good mention of us, longing to see us, as we do to see you;

1 Thessalonians 3:9

For what thanks are we able to render unto God in your behalf, for all the joy with which we rejoice on account of you before our God;

1 Thessalonians 3:12

and the Lord fill you and cause you to superabound in divine love toward one another, and toward all, even as we also do towards you;

1 Thessalonians 4:9-10

But concerning brotherly love you have no need that I write to you: for you yourselves are taught of God to love one another with divine love;

1 Peter 1:22

Having purified your souls through obedience of the truth unto unhypocritical, brotherly love, fervently from the heart love one another with divine love:

2 Peter 1:5-10

And in harmony with this same thing also, add to your faith heroism; and to heroism, knowledge;

2 Peter 1:13

But I consider it righteous, so long as I am in this tabernacle, to stir you up by remembrance;

2 Peter 3:18

but grow in the grace and knowledge of our Lord and Saviour Jesus Christ. To him be glory both now and unto the day of the age.

Treasury of Scripture Knowledge

Summary

We are bound to thank God always for you, brethren, as it is meet, because that your faith groweth exceedingly, and the charity of every one of you all toward each other aboundeth;

Bible References

Are

2 Thessalonians 2:13
But we ought to give thanks to God always for you, brethren beloved of the Lord, because God chose you from the beginning unto salvation through sanctification of the Spirit and belief of the truth;
Romans 1:8
In the first place, indeed, I praise my God through Jesus Christ for you all, because your faith is spoken of throughout the whole world.
1 Corinthians 1:4
I give thanks to my God always in your behalf, for the grace of God given unto you in Christ Jesus;
1 Thessalonians 1:2
We give thanks to God always for you all, making mention in our prayers;
1 Thessalonians 3:6
But Timothy, having already come to us from you, and proclaimed to us the good news of your faith and your divine love, and that you always have a good mention of us, longing to see us, as we do to see you;

As it is

Luke 15:32
and it behooved me to be glad and rejoice; because this thy brother was dead, and is alive; was lost, and is found.
Philippians 1:7
as it is righteous for me to think in behalf of you all, because I have you in my heart, both in my bonds and in the defence and confirmation of the gospel, that you are all my fellow-partakers of the grace.
2 Peter 1:13
But I consider it righteous, so long as I am in this tabernacle, to stir you up by remembrance;

General references

John 15:12
This is my commandment, that you may love one another, as I loved you.
1 Corinthians 16:14
Let all your affairs be in divine love.
Philemon 1:4
I give thanks to my God always, making mention of you in my prayers,
Hebrews 13:1
Let brotherly love continue.