Attending to the ghost is an ethical injunction insofar as it occupies the place of the Levinasian Other: a wholly irrecuperable intrusion in our world, which is not comprehensible within our available intellectual frameworks, but whose otherness we are responsible for preserving.

Hauntology, spectres and phantoms — Davis 59 (3): 373 — French Studies

“a wholly irrecuperable intrusion in our world … but whose otherness we are responsible for preserving.”