...The work stands as a monument to the efforts of critical philosophy in our century that will long endure.
I wrote that sentence twenty years ago, and I no longer believe it to be true, although it should be. ... We talked on the phone a few weeks before [Adler's death] ... I recalled the deep sadness that accompanied his statement in that last conversation to the effect that everything he had worked and fought for throughout his life had failed. I said "No, no!" but the statement was in large part correct. ... I'm not sure that Adler's vision will ever be seen again, and I think we have lost something rich and beautiful.