Although by this time you ought to be teachers, you need someone to teach you the basic principles of God’s revelation again. You need milk, not solid food.

not like the covenant
that I made with their ancestors
on the day I took them by their hands
to lead them out of the land of Egypt.
I disregarded them, says the Lord,
because they did not continue in My covenant.

And each person will not teach his fellow citizen,
and each his brother, saying, “Know the Lord,”
because they will all know Me,
from the least to the greatest of them.

For when every command had been proclaimed by Moses to all the people according to the law, he took the blood of calves and goats, along with water, scarlet wool, and hyssop, and sprinkled the scroll itself and all the people,

For it is impossible for the blood of bulls and goats to take away sins.

Every priest stands day after day ministering and offering the same sacrifices time after time, which can never take away sins.

By faith Enoch was taken away so he did not experience death, and he was not to be found because God took him away. For prior to his removal he was approved, since he had pleased God.

By faith he instituted the Passover and the sprinkling of the blood, so that the destroyer of the firstborn might not touch the Israelites.

And you have forgotten the exhortation that addresses you as sons:

My son, do not take the Lord’s discipline lightly
or faint when you are reproved by Him,