Devavan in the idea of A Course in Miracles about our change of mind in regard to danger and threat, having set up a thought structure as obstacles to recognize true safety and protection.

As indicated in the Lessons 121, 122, 124 & 131 of the Workbook of ACIM:
"You look for permanence in the impermanent, for love where there is none, for safety in the midst of danger; immortality within the darkness of the dream of death. Who could succeed where contradiction is the setting of his searching, and the place to which he comes to find stability?
Goals that are meaningless are not attained...."