1 Thessalonians 5:21

Prove all things, hold fast the good;

Romans 12:1-2

I EXHORT you, therefore, brothers, by the mercies of God, to present your bodies a living sacrifice; holy, well pleasing to God, your reasonable service;

Romans 14:18

for he that in this serves Christ is well pleasing to God and approved by men.

Philippians 1:10

that you may prove the excellent, that you may be without fault and without offense in the day of Christ,

Philippians 4:18

But I have all things and abound, I am fully supplied, having received from Epaphroditus the things from you, a perfume of good odor, an acceptable sacrifice, well pleasing to God.

1 Timothy 2:3

For this is good and acceptable in the sight of God our Saviour,

1 Timothy 5:4

But if any widow has children or relatives, let them learn first to support their family and to make returns to their parents, for this is acceptable in the sight of God.

Hebrews 12:28

Wherefore, receiving a kingdom that cannot be shaken, let us have grace through which we may serve God acceptably, with piety and fear;

1 Peter 2:5

do you also yourselves be built up living stones, a spiritual house, a holy priesthood, to offer spiritual sacrifices well pleasing to God through Jesus Christ,

1 Peter 2:20

For what glory is it if when you sin and are punished you bear it patiently? But if you do well and suffer and bear it patiently, [this deserves thanks], for it is acceptable to God.

Treasury of Scripture Knowledge

Summary

Proving what is acceptable unto the Lord.

Bible References

Proving

Romans 12:1
I EXHORT you, therefore, brothers, by the mercies of God, to present your bodies a living sacrifice; holy, well pleasing to God, your reasonable service;
Philippians 1:10
that you may prove the excellent, that you may be without fault and without offense in the day of Christ,
1 Thessalonians 5:21
Prove all things, hold fast the good;