Behind the doors, &c.— Thy remembrance, or memorial, signifies, thy idol. "thy tutelar image, which at going in and out thou mayest adore." The reader will continue to bear in mind, that the ideas are here all taken from the expression of ancient times. See Revelation 2:14-20.
Related Commentaries of Isaiah 57:8
Isaiah 57:8
8 Behind the doors also and the posts hast thou set up thy remembrance: for thou hast discovered thyself to another than me, and art gone up; thou hast enlarged thy bed, and madeb thee a covenant with them; thou lovedst their bed where thou sawest it.