10 distinct Greek words appear in this verse.

• Forgiveness
• Sin
• Truth

2 passages from patristic writers, Reformers, and church catechisms citing this verse.

• 1Cor 2:8 — Which none of the princes of this world knew: for had they known it, they would not have crucified the Lord of glory.
• 1John 2:13 — I write unto you, fathers, because ye have known him that is from the beginning. I write unto you, young men, because ye have overcome the wicked one. I write unto you, little children, because ye hav
• 1John 3:1 — Behold, what manner of love the Father hath bestowed upon us, that we should be called the sons of God: therefore the world knoweth us not, because it knew him not.
• 1John 3:1 — Behold, what manner of love the Father hath bestowed upon us, that we should be called the sons of God: therefore the world knoweth us not, because it knew him not.
• 1Sam 2:12 — Now the sons of Eli were sons of Belial; they knew not the LORD.
• 2Thess 1:8 — In flaming fire taking vengeance on them that know not God, and that obey not the gospel of our Lord Jesus Christ:
• 2Thess 2:10 — And with all deceivableness of unrighteousness in them that perish; because they received not the love of the truth, that they might be saved.
• Acts 3:17 — And now, brethren, I wot that through ignorance ye did it, as did also your rulers.
• Eph 1:17 — That the God of our Lord Jesus Christ, the Father of glory, may give unto you the spirit of wisdom and revelation in the knowledge of him:
• Hos 5:4 — They will not frame their doings to turn unto their God: for the spirit of whoredoms is in the midst of them, and they have not known the LORD.
• Jer 2:8 — The priests said not, Where is the LORD? and they that handle the law knew me not: the pastors also transgressed against me, and the prophets prophesied by Baal, and walked after things that do not pr
• Jer 4:22 — For my people is foolish, they have not known me; they are sottish children, and they have none understanding: they are wise to do evil, but to do good they have no knowledge.
• Jer 22:16 — He judged the cause of the poor and needy; then it was well with him: was not this to know me? saith the LORD.
• John 1:26 — John answered them, saying, I baptize with water: but there standeth one among you, whom ye know not;
• John 4:10 — Jesus answered and said unto her, If thou knewest the gift of God, and who it is that saith to thee, Give me to drink; thou wouldest have asked of him, and he would have given thee living water.
• John 8:19 — Then said they unto him, Where is thy Father? Jesus answered, Ye neither know me, nor my Father: if ye had known me, ye should have known my Father also.
• John 8:19 — Then said they unto him, Where is thy Father? Jesus answered, Ye neither know me, nor my Father: if ye had known me, ye should have known my Father also.
• John 8:55 — Yet ye have not known him; but I know him: and if I should say, I know him not, I shall be a liar like unto you: but I know him, and keep his saying.
• John 14:1 — Let not your heart be troubled: ye believe in God, believe also in me.
• John 14:7 — If ye had known me, ye should have known my Father also: and from henceforth ye know him, and have seen him.
• John 15:21 — But all these things will they do unto you for my name’s sake, because they know not him that sent me.
• John 15:21 — But all these things will they do unto you for my name’s sake, because they know not him that sent me.
• John 17:3 — And this is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent.
• John 17:25 — O righteous Father, the world hath not known thee: but I have known thee, and these have known that thou hast sent me.
• Phil 3:8 — Yea doubtless, and I count all things but loss for the excellency of the knowledge of Christ Jesus my Lord: for whom I have suffered the loss of all things, and do count them but dung, that I may win
• Prov 19:2 — Also, that the soul be without knowledge, it is not good; and he that hasteth with his feet sinneth.
• Ps 54:3 — For strangers are risen up against me, and oppressors seek after my soul: they have not set God before them. Selah.