Hebrews 12:18

For ye have not approached the mountain that could only be groped for, and that burned with fire, and the thick cloud, and the darkness, and the tempest,

Treasury of Scripture Knowledge

Summary

So I turned and came down from the mount, and the mount burned with fire: and the two tables of the covenant were in my two hands.

The mount

Bible References

The mount

Hebrews 12:18
For ye have not approached the mountain that could only be groped for, and that burned with fire, and the thick cloud, and the darkness, and the tempest,