There are those who teach that God is not “picky,” that we can “come as we are” to Him, anytime we want, any way we want. But is that the lesson of all Scripture? The further you read into Exodus, the more you see how “picky” God really is.
From this point on, the point of the book of Exodus is about the Tabernacle. It was revealed to Moses over the course of the 40 days on the mountain, yet God also inspired craftsmen and craftswomen who were not on the mountain with knowledge of God’s design as well.
God is “picky” — about anyone coming into His presence via any other means than by the High Priest. That one, Who is over all, is Yeshua (Jesus).