Spirit of truth will guide you - John 16:7-15

He (Holy Spirit) will teach you all things, and bring to your remembrance all things that I said to you.  Jn 14:26

Gods Spirit know truth - 1 Corinthians 2:9-16

Do not need your brother to teach you - Hebrews 8:10-12

Do not need anyone to teach you only His anointing - 1 John 2:27

I will put My laws into their hearts and their minds I will write them

He 10:16

We do not know how to pray but the Spirit intercedes for us with groanings Which cannot be uttered - Romans 8:26, 27

Pray simply before Reading and Studying the Holy Scriptures asking for Guidance and Understanding.  It does not matter what you say if sincere, the Holy Spirit will intercede for you and God knows your heart.