That verse doesn't mean that any lay person can pick up a Bible and interpret it for themselves, relying solely on the Spirit. The Spirit guides you to the Church.
The Ethiopian eunich did not rely on the Spirit to interpret Isaiah for him. Instead, the Spirit sent Philip (the Church) to teach the eunich.
—> According to the Catholic Church
While Christ is speaking primarily to the Apostles in this passage, it doesn’t stand alone as testimony of The Spirit guiding *all* believers.
For example, the Apostle John wrote this inspired promise..,
“1 John 2:27
“As for you, the anointing which you received from Him abides in you, and you have no need for anyone to teach you; but as His anointing teaches you about all things, and is true and is not a lie, and just as it has taught you, you abide in Him.”
In addition through the Spirit, God gifts teachers to His churches…
Ephesians 4:11-12
“And He gave some as apostles, and some as prophets, and some as evangelists, and some as pastors and teachers, for the equipping of the saints for the work of service, to the building up of the body of Christ; “
The believer has been well provided for!
—> The Ethiopian eunich did not rely on the Spirit to interpret Isaiah for him. Instead, the Spirit sent Philip (the Church) to teach the eunich.
The Ethiopian was not a believer.
Philip (who was not the church, but a servant of Christ) was sent to lead him to saving faith, apart from works. This symbolized the extension of the Gospel of Grace to a new group of gentiles.
Thanks be to God for His Incredible Gift!
The HOLY SPIRIT will MEVER contradict the Bible.
There Were Roman outposts every 100 yards or so along both the eastern and western borders of Judea,Samaria,etc. The Romans were making sure no one was snuggling anything to evade taxes. Everyone has to go thru these checkpoints, even Jesus, Mary and Joseph and even the Apostles. It was part of the Roman Empire. Look it up.