2 Corinthians 8:8

I am not speaking by way of command; but as proving, through the diligence of others, the sincerity of your love.

1 Corinthians 7:6

But this I say by way of permission, not of command.

Romans 11:12-14

Now, if their trespass is the riches of the world, and their loss the riches of the gentiles, how much more their fulness?

Romans 12:9

Let love be without hypocrisy; abhorring that which is evil; cleaving to that which is good;

1 Corinthians 7:12

But to the rest say I, not the Lord: If any brother has an unbelieving wife, and she is pleased to dwell with him, let him not leave her.

1 Corinthians 7:25

Now, concerning the virgins, I have no commandment of the Lord; but I give my judgment, as having received mercy from the Lord to be faithful.

2 Corinthians 6:6

in pureness, in knowledge, in long-suffering, in kindness, in the Holy Spirit, in love unfeigned,

2 Corinthians 8:1-3

And we make known to you, brethren, the grace of God which has been bestowed in the assemblies of Macedonia;

2 Corinthians 8:10

And I give my judgment in this; for this is profitable for you, who, indeed, began before others, a year ago, not only to do, but also to will.

2 Corinthians 8:24

Show ye, therefore, toward them, before the assemblies, the proof of your love, and of our glorying on your behalf.

2 Corinthians 9:2

for I know your readiness, of which I glory on your behalf to the Macedonians, that Achaia has been prepared for a year past; and your zeal stirred up the majority of them.

2 Corinthians 9:7

Let each one do as he has purposed in his heart, not grudgingly or of necessity; for God loveth a cheerful giver.

Ephesians 4:15

but, speaking the truth in love, may grow up in all things into Him, Who is the Head, Christ;

Ephesians 6:24

Grace be with all who love our Lord Jesus Christ in incorruptness.

Hebrews 10:24

and let us consider one another, to incite to love and good works;

James 2:14-16

What profit is it, my brethren, if anyone says he has faith, but has not works; can such faith save him?

1 Peter 1:22

Having purified your souls in your obedience to the truth unto unfeigned brotherly love, love one another from the heart earnestly;

1 John 3:17-19

But whosoever possesses the goods of the world, and beholds his brother having need, and shuts up his compassion from him, how does the love of God abide in him?

Treasury of Scripture Knowledge

Summary

I speak not by commandment, but by occasion of the forwardness of others, and to prove the sincerity of your love.

Bible References

Speak

2 Corinthians 8:10
And I give my judgment in this; for this is profitable for you, who, indeed, began before others, a year ago, not only to do, but also to will.
2 Corinthians 9:7
Let each one do as he has purposed in his heart, not grudgingly or of necessity; for God loveth a cheerful giver.
1 Corinthians 7:6
But this I say by way of permission, not of command.

By occasion

2 Corinthians 8:1
And we make known to you, brethren, the grace of God which has been bestowed in the assemblies of Macedonia;
2 Corinthians 9:2
for I know your readiness, of which I glory on your behalf to the Macedonians, that Achaia has been prepared for a year past; and your zeal stirred up the majority of them.
Romans 11:12
Now, if their trespass is the riches of the world, and their loss the riches of the gentiles, how much more their fulness?
Hebrews 10:24
and let us consider one another, to incite to love and good works;

Prove

2 Corinthians 8:24
Show ye, therefore, toward them, before the assemblies, the proof of your love, and of our glorying on your behalf.
2 Corinthians 6:6
in pureness, in knowledge, in long-suffering, in kindness, in the Holy Spirit, in love unfeigned,
Romans 12:9
Let love be without hypocrisy; abhorring that which is evil; cleaving to that which is good;
Ephesians 4:15
but, speaking the truth in love, may grow up in all things into Him, Who is the Head, Christ;
James 2:14
What profit is it, my brethren, if anyone says he has faith, but has not works; can such faith save him?
1 Peter 1:22
Having purified your souls in your obedience to the truth unto unfeigned brotherly love, love one another from the heart earnestly;
1 John 3:17
But whosoever possesses the goods of the world, and beholds his brother having need, and shuts up his compassion from him, how does the love of God abide in him?

General references

John 14:15
"If ye love Me, ye will keep My commandments;
2 Corinthians 8:24
Show ye, therefore, toward them, before the assemblies, the proof of your love, and of our glorying on your behalf.
1 John 4:11
Beloved, if God so loved us, we also ought to love one another.