1 Thessalonians 5:21

Let all things be tested; keep to what is good;

1 John 4:1

My loved ones, do not put your faith in every spirit, but put them to the test, to see if they are from God: because a great number of false prophets have gone out into the world.

Luke 12:57

And why are you, in your hearts, unable to be judges of what is right?

Acts 17:11

Now these were more noble than the Jews of Thessalonica, for they gave serious attention to the word, searching in the holy Writings every day, to see if these things were so.

Romans 12:9

Let love be without deceit. Be haters of what is evil; keep your minds fixed on what is good.

Ephesians 5:10

Testing by experience what is well-pleasing to the Lord;

Deuteronomy 11:6-9

And what he did to Dathan and Abiram, the sons of Eliab, the son of Reuben; when they went down into the open mouth of the earth, with their families and their tents and every living thing which was theirs, before the eyes of all Israel:

Deuteronomy 32:46-47

Moses said to them, Let the words which I have said to you today go deep into your hearts, and give orders to your children to do every word of this law.

Proverbs 3:1

My son, keep my teaching in your memory, and my rules in your heart:

Proverbs 3:21-24

My son, keep good sense, and do not let wise purpose go from your eyes.

Proverbs 4:13

Take learning in your hands, do not let her go: keep her, for she is your life.

Proverbs 6:21-23

Keep them ever folded in your heart, and have them hanging round your neck.

Proverbs 23:23

Get for yourself that which is true, and do not let it go for money; get wisdom and teaching and good sense.

Song of Songs 3:4

I was but a little way from them, when I came face to face with him who is the love of my soul. I took him by the hands, and did not let him go, till I had taken him into my mother's house, and into the room of her who gave me birth.

Isaiah 8:20

Then say to them, Put your faith in the teaching and the witness. ... If they do not say such things. ... For him there is no dawn. ...

Matthew 7:15-20

Be on the watch for false prophets, who come to you in sheep's clothing, but inside they are cruel wolves.

Mark 7:14-15

And turning to the people again, he said to them, Give ear to me all of you, and let my words be clear to you:

John 8:31

Then Jesus said to the Jews who had faith in him, If you keep my word, then you are truly my disciples;

John 15:4

Be in me at all times as I am in you. As the branch is not able to give fruit of itself, if it is not still on the vine, so you are not able to do so if you are not in me.

Acts 11:23

Who, when he came and saw the grace of God, was glad; and he made clear to them the need of keeping near the Lord with all the strength of their hearts:

Acts 14:22

Making strong the souls of the disciples, saying to them that they were to keep the faith, and that we have to go through troubles of all sorts to come into the kingdom of God.

Romans 12:2

And let not your behaviour be like that of this world, but be changed and made new in mind, so that by experience you may have knowledge of the good and pleasing and complete purpose of God.

1 Corinthians 2:11

For who has knowledge of the things of a man but the spirit of the man which is in him? in the same way, no one has knowledge of the things of God but the Spirit of God.

1 Corinthians 2:14-15

For the natural man is not able to take in the things of the Spirit of God: for they seem foolish to him, and he is not able to have knowledge of them, because such knowledge comes only through the Spirit.

1 Corinthians 14:28-29

But if there is no one to give the sense, let him keep quiet in the church; and let his words be to himself and to God.

1 Corinthians 15:58

For this cause, my dear brothers, be strong in purpose and unmoved, ever giving yourselves to the work of the Lord, because you are certain that your work is not without effect in the Lord.

Philippians 1:10

So that you may give your approval to the best things; that you may be true and without wrongdoing till the day of Christ;

Philippians 3:16

Only, as far as we have got, let us be guided by the same rule.

Philippians 4:8

For the rest, my brothers, whatever things are true, whatever things have honour, whatever things are upright, whatever things are holy, whatever things are beautiful, whatever things are of value, if there is any virtue and if there is any praise, give thought to these things.

2 Thessalonians 2:15

So then, brothers, be strong in purpose, and keep the teaching which has been given to you by word or by letter from us.

2 Timothy 1:15

You have had news that all those in Asia went away from me; among whom are Phygelus and Hermogenes:

2 Timothy 3:6

For these are they who go secretly into houses, making prisoners of foolish women, weighted down with sin, turned from the way by their evil desires,

2 Timothy 4:14

Alexander the copper-worker did me much wrong: the Lord will give him the reward of his works:

Hebrews 10:23

Let us keep the witness of our hope strong and unshaking, for he is true who has given his word:

Revelation 2:2

I have knowledge of your doings, and of your hard work and long waiting, and that you will not put up with evil men, and have put to the test those who say they are Apostles and are not, and have seen that they are false;

Revelation 2:25

But what you have, keep safe till I come.

Revelation 3:3

Keep in mind, then, the teaching which was given to you, and be ruled by it and have a change of heart. If then you do not keep watch, I will come like a thief, and you will have no knowledge of the hour when I will come on you.

Revelation 3:11

I come quickly: keep that which you have, so that no one may take your crown.

Treasury of Scripture Knowledge

Bible References

Prove

Isaiah 8:20
Then say to them, Put your faith in the teaching and the witness. ... If they do not say such things. ... For him there is no dawn. ...
Matthew 7:15
Be on the watch for false prophets, who come to you in sheep's clothing, but inside they are cruel wolves.
Mark 7:14
And turning to the people again, he said to them, Give ear to me all of you, and let my words be clear to you:
Luke 12:57
And why are you, in your hearts, unable to be judges of what is right?
Acts 17:11
Now these were more noble than the Jews of Thessalonica, for they gave serious attention to the word, searching in the holy Writings every day, to see if these things were so.
Romans 12:2
And let not your behaviour be like that of this world, but be changed and made new in mind, so that by experience you may have knowledge of the good and pleasing and complete purpose of God.
1 Corinthians 2:11
For who has knowledge of the things of a man but the spirit of the man which is in him? in the same way, no one has knowledge of the things of God but the Spirit of God.
1 Corinthians 14:28
But if there is no one to give the sense, let him keep quiet in the church; and let his words be to himself and to God.
Ephesians 5:10
Testing by experience what is well-pleasing to the Lord;
Philippians 1:10
So that you may give your approval to the best things; that you may be true and without wrongdoing till the day of Christ;
Revelation 2:2
I have knowledge of your doings, and of your hard work and long waiting, and that you will not put up with evil men, and have put to the test those who say they are Apostles and are not, and have seen that they are false;

General references

1 Corinthians 10:15
What I am saying is for wise men, do you be the judges of it.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain