2 Peter 1:8

For if these things are in you and abound, they make you neither inactive nor unfruitful in gaining the full knowledge of our Lord Jesus Christ.

John 15:2

Every branch in me that beareth not fruit he taketh away; and every branch that beareth fruit he cleanseth, that it may bear more fruit.

Colossians 3:16

Let the word of Christ dwell in you richly; in all wisdom teaching and admonishing one another with psalms, hymns, spiritual songs, in grace singing in your hearts to God;

Titus 3:14

And let those also who belong to us learn to practise good works for the necessary wants that arise, that they may not be unfruitful.

2 Peter 1:2

Grace and peace be multiplied to you in the knowledge of God, and of Jesus our Lord.

Matthew 13:22

And what was sown among the thorns, this is he that heareth the word, but the cares of the world and the deceitfulness of riches choke the word, and he becometh unfruitful.

Matthew 20:3

And going out about the third hour, he saw others standing idle in the marketplace;

Matthew 20:6

And going out about the eleventh hour, he found others standing, and saith to them, Why stand ye here all the day idle?

Matthew 25:26

But his lord answered and said to him, Wicked and slothful servant! Didst thou know that I reap where I sowed not, and gather where I did not scatter seed?

John 5:42

but I know you, that ye have not the love of God in you.

John 15:6-8

If any one abideth not in me, he is cast forth as a branch, and is withered; and men gather it, and cast it into the fire, and it is burned.

Romans 12:11

Be not backward in zeal; be fervent in spirit; serving the Lord.

1 Corinthians 15:58

Therefore, my beloved brethren, be steadfast, immovable, always abounding in the work of the Lord, since ye know that your labor is not in vain in the Lord.

2 Corinthians 5:13-17

For whether we were beside ourselves, it was for God; or whether we are in our sound mind, it is for you.

2 Corinthians 8:2

that under a great trial of distress the abundance of their joy and their deep poverty increased the riches of their liberality;

2 Corinthians 8:7

But as ye abound in every thing, in faith, and utterance, and knowledge, and all earnestness, and in your love to us, see that ye abound in this exercise of liberality also.

2 Corinthians 9:14

while with supplication for you they long after you on account of the exceeding grace of God to you.

2 Corinthians 13:5

Try yourselves, whether ye are in the faith; prove your own selves. Know ye not your own selves, that Christ Jesus is in you, unless ye are unapproved?

Philippians 1:9

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

Philippians 2:5

Yea, let this mind be in you which was in Christ Jesus,

Colossians 2:7

rooted and built up in him, and established in the faith, as ye have been taught, abounding therein with thanksgiving.

1 Thessalonians 3:12

and the Lord make you to increase and abound in love toward one another and toward all, even as we do in love toward you;

1 Thessalonians 4:1

Furthermore then, brethren, we beseech you, and exhort you in the Lord Jesus, that, as ye received from us how ye ought to walk and to please God, even as ye are walking, ye would abound still more;

2 Thessalonians 1:3

We ought to thank God always for you, brethren, as is fit, because your faith increaseth exceedingly, and the love of every one of you all toward each ether aboundeth;

1 Timothy 5:13

and withal they learn to be idle, going about from house to house; and not only idle, but tattlers also, and busybodies, speaking things which they ought not.

Hebrews 6:12

that ye may not become slothful, but imitators of those who through faith and endurance inherit the promises.

Treasury of Scripture Knowledge

Summary

For if these things be in you, and abound, they make you that ye shall neither be barren nor unfruitful in the knowledge of our Lord Jesus Christ.

General references

Bible References

In you

John 5:42
but I know you, that ye have not the love of God in you.
2 Corinthians 9:14
while with supplication for you they long after you on account of the exceeding grace of God to you.
2 Corinthians 13:5
Try yourselves, whether ye are in the faith; prove your own selves. Know ye not your own selves, that Christ Jesus is in you, unless ye are unapproved?
Philippians 2:5
Yea, let this mind be in you which was in Christ Jesus,
Colossians 3:16
Let the word of Christ dwell in you richly; in all wisdom teaching and admonishing one another with psalms, hymns, spiritual songs, in grace singing in your hearts to God;
Philemon 1:6
that the fellowship of thy faith may become effectual in the knowledge of every good thing which is in us, for Christ Jesus.

And abound

1 Corinthians 15:58
Therefore, my beloved brethren, be steadfast, immovable, always abounding in the work of the Lord, since ye know that your labor is not in vain in the Lord.
2 Corinthians 8:2
that under a great trial of distress the abundance of their joy and their deep poverty increased the riches of their liberality;
Philippians 1:9
And this I pray, that your love may abound yet more and more in knowledge and in all discernment;
Colossians 2:7
rooted and built up in him, and established in the faith, as ye have been taught, abounding therein with thanksgiving.
Colossians 3:16
Let the word of Christ dwell in you richly; in all wisdom teaching and admonishing one another with psalms, hymns, spiritual songs, in grace singing in your hearts to God;
1 Thessalonians 3:12
and the Lord make you to increase and abound in love toward one another and toward all, even as we do in love toward you;
1 Thessalonians 4:1
Furthermore then, brethren, we beseech you, and exhort you in the Lord Jesus, that, as ye received from us how ye ought to walk and to please God, even as ye are walking, ye would abound still more;
2 Thessalonians 1:3
We ought to thank God always for you, brethren, as is fit, because your faith increaseth exceedingly, and the love of every one of you all toward each ether aboundeth;

They

John 15:7
If ye abide in me, and my words abide in you, ask whatever ye will, and it shall be done for you.
2 Corinthians 5:13
For whether we were beside ourselves, it was for God; or whether we are in our sound mind, it is for you.

Barren

Matthew 20:3
And going out about the third hour, he saw others standing idle in the marketplace;
Matthew 25:26
But his lord answered and said to him, Wicked and slothful servant! Didst thou know that I reap where I sowed not, and gather where I did not scatter seed?
Romans 12:11
Be not backward in zeal; be fervent in spirit; serving the Lord.
1 Timothy 5:13
and withal they learn to be idle, going about from house to house; and not only idle, but tattlers also, and busybodies, speaking things which they ought not.
Hebrews 6:12
that ye may not become slothful, but imitators of those who through faith and endurance inherit the promises.

In

2 Peter 1:2
Grace and peace be multiplied to you in the knowledge of God, and of Jesus our Lord.

General references

Luke 1:75
in holiness and righteousness before him, all our days.