Hebrews 10:19-20

Since then, my brothers, we have free access to the real sanctuary through the blood of Jesus,

Revelation 11:19

Then the doors of God's temple in heaven were thrown open, and inside the temple was seen the chest containing God's covenant, and there followed flashes of lightning, rumblings, peals of thunder, an earthquake and heavy hail.

Treasury of Scripture Knowledge

Summary

But they shall not go in to see when the holy things are covered, lest they die.

Bible References

They shall

Hebrews 10:19
Since then, my brothers, we have free access to the real sanctuary through the blood of Jesus,
Revelation 11:19
Then the doors of God's temple in heaven were thrown open, and inside the temple was seen the chest containing God's covenant, and there followed flashes of lightning, rumblings, peals of thunder, an earthquake and heavy hail.