Should I quote an anonymous review on my CV? I received an anonymous review from a journal.  This journal does not hide the identities of authors from reviewers.  Should I quote the reviewer's remark that the work is "impressive" on my CV?

Does the answer change if the manuscript is not accepted?
No, and no.  You should not try to hype up yourself with subjective comments in your CV or elsewhere in job applications, say.  Other people don't do this, and if you do you will seem strange and possibly desparate.  Your CV should be a list of objective information.  It is the job of your references to compare your work to other people's and say how impressive it is.

About the most you can do is keep the review in a personal "feel good" folder and look back at it when you need self-encouragement.