Open the book of the Lord Jesus here (it may take a while, be patient):
How to know with more certainty the book is the word of God.
Proverbs 22: 20 Have not I written to thee excellent things in counsels and knowledge,
21 That I might make thee know the certainty of the words of truth; that thou mightest answer the words of truth to
them that send unto thee?
Psalm 89:34 My covenant will I not break, nor alter the thing that is gone out of my lips.
Matthew 5:18 For verily I say unto you, Till heaven and earth pass, one jot or one tittle shall in no wise pass from the law, till all be fulfilled.
Psalm 56:5 Every day they wrest my words: all their thoughts are against me for evil.
1 John 4:1 BELOVED, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
Hebrews 6:18 That by two immutable things, in which it was impossible for God to lie, we might have a strong consolation, who have fled for refuge to lay hold upon the hope set before us:
One proof to examine if a book is the perfect word of God.
Examine the book men call (Authorized King James) published by Cambridge circa 1900 must be in agreement with the following):
1. Joshua 19:2 (or) Sheba not (and) Sheba
2. 2 Chronicles 33:19 (sin) not (sins)
3. Ezra 2:26 (Geba) not (Gaba)
4. Job 33:4 (Spirit) of God not (spirit) of God
5. Jeremiah 34:16 whom (ye) not whom (he)
6. Ezekiel 11:24 (Spirit) of God not (spirit) of God
7. Ezekiel 47:3 (ancles) not (ankles)
8. Nahum 3:16 (flieth) not (fleeth)
9. Matthew 4:1 (Spirit) not (spirit)
10. Matthew 26:39 (further) not (farther)
11. Matthew 26:73 (bewrayeth) not (betrayeth)
12. Mark 1:12 (Spirit) not (spirit)
13. Acts 11:28 (spirit) not (Spirit)
14. 1 John 5:8 (spirit) not (Spirit)
Be sure to first examine Genesis 1 line 1 with all books;
look for (heaven) and not (heavens):
Genesis 1:1 IN the beginning God created the heaven and the earth.
Proverbs 22: 20 Have not I written to thee excellent things in counsels and knowledge, 21 That I might make thee know the certainty of the words of truth; that thou mightest answer the words of truth to them that send unto thee?
Psalm 12: 6 The words of the LORD are pure words as silver tried in a furnace of earth, purified seven times. 7 Thou shalt keep them, O LORD, thou shalt preserve them from this generation for ever.
Matthew 5:18 For verily I say unto you, Till heaven and earth pass, one jot or one tittle shall in no wise pass from the law, till all be fulfilled.
1 John CHAPTER 4: BELOVED, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
(note – the leaning letters, scholars call: (Italics) are also his pure words as they appear in the book. The words: (the end of the prophets) at the end of the book of Malachi and words (the end) at the end of the book of Revelation are not scriptures).