How can God teach us?

God uses the Holy Spirit to teach us and convict us and guide us.

God uses His Word for teaching, rebuking, correcting and training in righteousness.

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John 14:26 — ~"But the Helper, the Holy Spirit, whom the Father will send in My name, He will teach you all things, and bring to your remembrance all that I said to you.

John 16:13-14 — ~"But when He, the Spirit of truth, comes, He will guide you into all the truth; for He will not speak on His own initiative, but whatever He hears, He will speak; and He will disclose to you what is to come.
~"He will glorify Me, for He will take of Mine and will disclose {it} to you.

John 16:8 — ~"And He, when He comes, will convict the world concerning sin and righteousness and judgment;

Colossians 3:16 — Let the word of (One early ms reads {the Lord}) Christ richly dwell within you, with all wisdom teaching and admonishing one another with psalms {and} hymns {and} spiritual songs, singing with thankfulness in your hearts to God.

Deuteronomy 8:3 — ~"He humbled you and let you be hungry, and fed you with manna which you did not know, nor did your fathers know, that He might make you understand that man does not live by bread alone, but man lives by everything that proceeds out of the mouth of the LORD.

2 Timothy 3:16 — All Scripture is inspired by God and profitable for teaching, for reproof, for correction, for training in righteousness;