When one does their due diligence in answering these questions we find a much different result than you are indicating in your response here...
Isaiah 1:18 (KJV)
[18] Come now, and let us reason together, saith the LORD: though your sins be as scarlet, they shall be as white as snow; though they be red like crimson, they shall be as wool.
Jude 3 (KJV)
[3] Beloved, when I gave all diligence to write unto you of the common salvation, it was needful for me to write unto you, and exhort you that ye should earnestly contend for the faith which was once delivered unto the saints.
Romans 10:17 (KJV)
[17] So then faith cometh by hearing, and hearing by the word of God.
This reasoning of faith delivered to us through His Word is clearly outlined in the Son's prayer to the Father:
John 17:14 (KJV)
[14] I have given them thy word; and the world hath hated them, because they are not of the world, even as I am not of the world.[15] I pray not that thou shouldest take them out of the world, but that thou shouldest keep them from the evil.[16] They are not of the world, even as I am not of the world.[17] Sanctify them through thy truth: thy word is truth.[18] As thou hast sent me into the world, even so have I also sent them into the world.[19] And for their sakes I sanctify myself, that they also might be sanctified through the truth.[20] Neither pray I for these alone, but for them also which shall believe on me through their word;
Since written communication is comprised of grammar do you suppose it is necessary to know grammar? Seeing how it was written by a certain individual to certain audience at a certain time do you suppose context is necessary? Does culture, historical presence, ideologies of that time, etc. are necessary for who, what, when, where and why of that time... if you answer yes to any of these then your practicing a hermeneutic of written material.
It is an obedience to God
2 Timothy 2:15 (KJV)
[15] Study to shew thyself approved unto God, a workman that needeth not to be ashamed, rightly dividing the word of truth.
This is a mystical approach called into subjectivity of the individual and denying the objective truth called Scripture- it will never work ... If the Scripture were not in a objective format then we would have nothing at all to test the spirits that come to us in everyday life...
John was confronting gnosticism of his day that Jesus wasn't really flesh and how did he refute that
John 1:1-3 (KJV)
[1] In the beginning was the Word, and the Word was with God, and the Word was God.
[2] The same was in the beginning with God.
[3] All things were made by him; and without him was not any thing made that was made.
...
John 1:14 (KJV)
[14] And the Word was made flesh, and dwelt among us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and truth.
with Scripture just as Jesus did when He was confronted with the temptation of satan...
It is with The Scripture our minds are renewed to truth
Ephesians 4:23 (KJV)
[23] And be renewed in the spirit of your mind;