Hebrews 11:38

of whom the world was not worthy wandering in deserts and mountains, and in caves and holes in the ground.

Treasury of Scripture Knowledge

Summary

David therefore departed thence, and escaped to the cave Adullam: and when his brethren and all his father's house heard it, they went down thither to him.

The cave

Bible References

The cave

Hebrews 11:38
of whom the world was not worthy wandering in deserts and mountains, and in caves and holes in the ground.