2 Corinthians 3:10-11, 14

In fact, that first glory was not glorious at all compared with the overwhelming glory of the new way. So if the old way, which has been replaced, was glorious, how much more glorious is the new, which remains forever!

But the people’s minds were hardened, and to this day whenever the old covenant is being read, the same veil covers their minds so they cannot understand the truth. And this veil can be removed only by believing in Christ.