. In particular, we are unpersuaded that appellant was constructively discharged because she was told "horrible things” would happen to her if she did not retire. This isolated remark, even if believed by a factfinder, does not rise to the level of severe or pervasive conduct that would support a hostile work environment claim, much less create such intolerable conditions that a reasonable person would be compelled to resign, as required for constructive discharge. See, e.g., Hipp v. Liberty Nat. Life Ins. Co., 252 F.3d 1208, 1231 (11th Cir. 2001) (citations omitted) (constructive discharge requires a showing of greater severity or pervasiveness than hostile work environment).