John 16:3

And they will do these things because they have not known the Father or Me.

John 15:21

But they will do all these [hurtful] things to you for My name’s sake [because you bear My name and are identified with Me], for they do not know the One who sent Me.

John 17:25

“O just and righteous Father, although the world has not known You and has never acknowledged You [and the revelation of Your mercy], yet I have always known You; and these [believers] know [without any doubt] that You sent Me;

John 8:19

Then the Pharisees said to Him, “Where is this Father of Yours?” Jesus answered, “You know neither Me nor My Father; if you knew Me, you would know My Father also.”

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.

1 John 3:1

See what an incredible quality of love the Father has shown to us, that we would [be permitted to] be named and called and counted the children of God! And so we are! For this reason the world does not know us, because it did not know Him.

Luke 10:22

All things have been transferred and turned over to Me by My Father and no one knows who the Son is except the Father, or who the Father is except the Son, and anyone to whom the Son wishes to reveal Him.”

John 15:23

The one who hates Me also hates My Father.

John 17:3

Now this is eternal life: that they may know You, the only true [supreme and sovereign] God, and [in the same manner know] Jesus [as the] Christ whom You have sent.

1 Corinthians 2:8

None of the rulers of this age recognized and understood this wisdom; for if they had, they would not have crucified the Lord of glory;

2 Corinthians 4:3-6

But even if our gospel is [in some sense] hidden [behind a veil], it is hidden [only] to those who are perishing;

2 Thessalonians 1:8

dealing out [full and complete] vengeance to those who do not [seek to] know God and to those who ignore and refuse to obey the gospel of our Lord Jesus [by choosing not to respond to Him].

2 Thessalonians 2:10-12

and by unlimited seduction to evil and with all the deception of wickedness for those who are perishing, because they did not welcome the love of the truth [of the gospel] so as to be saved [they were spiritually blind, and rejected the truth that would have saved them].

1 Timothy 1:13

even though I was formerly a blasphemer [of our Lord] and a persecutor [of His church] and a shameful and outrageous and violent aggressor [toward believers]. Yet I was shown mercy because I acted out of ignorance in unbelief.

1 John 4:8

The one who does not love has not become acquainted with God [does not and never did know Him], for God is love. [He is the originator of love, and it is an enduring attribute of His nature.]

1 John 5:20

And we [have seen and] know [by personal experience] that the Son of God has [actually] come [to this world], and has given us understanding and insight so that we may [progressively and personally] know Him who is true; and we are in Him who is true—in His Son Jesus Christ. This is the true God and eternal life.

Treasury of Scripture Knowledge

Summary

And these things will they do unto you, because they have not known the Father, nor me.

General references

Bible References

General references

Leviticus 13:29
“When a man or woman has a disease on the head or in the beard (face),