The price of ignorance and the glory of knowledge in the word of God.
What is the biggest hindrance to spiritual growth and maturity? Unbelief? No! It's ignorance of the word of God.
Rom 10:3 For they being ignorant of God's righteousness, and going about to establish their own righteousness, have not submitted themselves unto the righteousness of God.
Eph 4:18 Having the understanding darkened, being alienated from the life of God through the ignorance that is in them, because of the blindness of their heart:
The bible says that faith comes by hearing, and hearing by the word of God. So, you don't have to hear the word of God to be in unbelief, you just have to not hear it. The root of unbelief is ignorance of the word. Paul said, "I obtained mercy because I did it ignorantly in unbelief." Ignorance fosters unbelief.