"So what I want to know is, when I'm asleep, do I really remember how to fly? And forget how when I wake up? Or am I just dreaming I can fly?" "When you dream, sometimes you remember. When you wake, you always forget." "But that's not fair..." "No."
January 1, 1970
https://en.wikiquote.org/wiki/The_Sandman_(comic_book)