John 5:42

but I know you and recognize that you do not have the love of God in yourselves.

John 2:25

and He did not need anyone to testify concerning man [and human nature], for He Himself knew what was in man [in their hearts—in the very core of their being].

Luke 16:15

So He said to them, “You are the ones who declare yourselves just and upright in the sight of men, but God knows your hearts [your thoughts, your desires, your secrets]; for that which is highly esteemed among men is detestable in the sight of God.

John 1:47-49

Jesus saw Nathanael coming toward Him, and said of him, “Here is an Israelite indeed [a true descendant of Jacob], in whom there is no guile nor deceit nor duplicity!”

John 5:44

How can you believe [in Me], when you [seek and] receive glory and approval from one another, and yet you do not seek the glory and approval which comes from the one and only God?

John 8:42

Jesus said to them, “If God were your Father [but He is not], you would love and recognize Me, for I came from God [out of His very presence] and have arrived here. For I have not even come on My own initiative [as self-appointed], but He [is the One who] sent Me.

John 8:47

Whoever is of God and belongs to Him hears [the truth of] God’s words; for this reason you do not hear them: because you are not of God and you are not in fellowship with Him.”

John 8:55

Yet you do not know Him, but I know Him fully. If I said I did not know Him, I would be a liar like you. But I do know Him and keep His word.

John 15:23-24

The one who hates Me also hates My Father.

John 21:17

He said to him the third time, “Simon, son of John, do you love Me [with a deep, personal affection for Me, as for a close friend]?” Peter was grieved that He asked him the third time, “Do you [really] love Me [with a deep, personal affection, as for a close friend]?” And he said to Him, “Lord, You know everything; You know that I love You [with a deep, personal affection, as for a close friend].” Jesus said to him, “Feed My sheep.

Romans 8:7

the mind of the flesh [with its sinful pursuits] is actively hostile to God. It does not submit itself to God’s law, since it cannot,

Hebrews 4:12-13

For the word of God is living and active and full of power [making it operative, energizing, and effective]. It is sharper than any two-edged sword, penetrating as far as the division of the soul and spirit [the completeness of a person], and of both joints and marrow [the deepest parts of our nature], exposing and judging the very thoughts and intentions of the heart.

1 John 2:15

Do not love the world [of sin that opposes God and His precepts], nor the things that are in the world. If anyone loves the world, the love of the Father is not in him.

1 John 3:17

But whoever has the world’s goods (adequate resources), and sees his brother in need, but has no compassion for him, how does the love of God live in him?

1 John 4:20

If anyone says, “I love God,” and hates (works against) his [Christian] brother he is a liar; for the one who does not love his brother whom he has seen, cannot love God whom he has not seen.

Revelation 2:23

And I will kill her children (followers) with pestilence [thoroughly annihilating them], and all the churches will know [without any doubt] that I am He who searches the minds and hearts [the innermost thoughts, purposes]; and I will give to each one of you [a reward or punishment] according to your deeds.

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

That

John 5:44
How can you believe [in Me], when you [seek and] receive glory and approval from one another, and yet you do not seek the glory and approval which comes from the one and only God?
John 8:42
Jesus said to them, “If God were your Father [but He is not], you would love and recognize Me, for I came from God [out of His very presence] and have arrived here. For I have not even come on My own initiative [as self-appointed], but He [is the One who] sent Me.
John 15:23
The one who hates Me also hates My Father.
Romans 8:7
the mind of the flesh [with its sinful pursuits] is actively hostile to God. It does not submit itself to God’s law, since it cannot,
1 John 2:15
Do not love the world [of sin that opposes God and His precepts], nor the things that are in the world. If anyone loves the world, the love of the Father is not in him.
1 John 3:17
But whoever has the world’s goods (adequate resources), and sees his brother in need, but has no compassion for him, how does the love of God live in him?
1 John 4:20
If anyone says, “I love God,” and hates (works against) his [Christian] brother he is a liar; for the one who does not love his brother whom he has seen, cannot love God whom he has not seen.

General references

John 16:9
about sin [and the true nature of it], because they do not believe in Me [and My message];