2 Corinthians 2:9

For to this end I also wrote, that I might know the proof of you, whether you are obedient in all things.

2 Corinthians 10:6

and being in readiness to avenge all disobedience, when your obedience will be made full.

Philippians 2:22

But you know the proof of him, that, as a child serves a father, so he served with me in furtherance of the Good News.

Exodus 16:4

Then Yahweh said to Moses, "Behold, I will rain bread from the sky for you, and the people shall go out and gather a day's portion every day, that I may test them, whether they will walk in my law, or not.

Deuteronomy 8:2

You shall remember all the way which Yahweh your God has led you these forty years in the wilderness, that he might humble you, to prove you, to know what was in your heart, whether you would keep his commandments, or not.

Deuteronomy 8:16

who fed you in the wilderness with manna, which your fathers didn't know; that he might humble you, and that he might prove you, to do you good at your latter end:

Deuteronomy 13:3

you shall not listen to the words of that prophet, or to that dreamer of dreams: for Yahweh your God proves you, to know whether you love Yahweh your God with all your heart and with all your soul.

2 Corinthians 7:12-15

So although I wrote to you, I wrote not for his cause that did the wrong, nor for his cause that suffered the wrong, but that your earnest care for us might be revealed in you in the sight of God.

2 Corinthians 8:24

Therefore show the proof of your love to them in front of the assemblies, and of our boasting on your behalf.

Philippians 2:12

So then, my beloved, even as you have always obeyed, not only in my presence, but now much more in my absence, work out your own salvation with fear and trembling.

2 Thessalonians 3:14

If any man doesn't obey our word in this letter, note that man, that you have no company with him, to the end that he may be ashamed.

Treasury of Scripture Knowledge

Summary

For to this end also did I write, that I might know the proof of you, whether ye be obedient in all things.

General references

Bible References

Whether

2 Corinthians 7:15
His affection is more abundantly toward you, while he remembers all of your obedience, how with fear and trembling you received him.
2 Corinthians 10:6
and being in readiness to avenge all disobedience, when your obedience will be made full.
Philippians 2:12
So then, my beloved, even as you have always obeyed, not only in my presence, but now much more in my absence, work out your own salvation with fear and trembling.
2 Thessalonians 3:14
If any man doesn't obey our word in this letter, note that man, that you have no company with him, to the end that he may be ashamed.
Philemon 1:21
Having confidence in your obedience, I write to you, knowing that you will do even beyond what I say.

General references

John 20:23
Whoever's sins you forgive, they are forgiven them. Whoever's sins you retain, they have been retained."