I think anyone can memorize 32 character passwords every 6 months if one uses some scheme. I usually use long phrases from books: a phrase that means something

I think anyone can memorize 32 character passwords every 6 months if one uses some scheme. I usually use long phrases from books: a phrase that means something to me is easy to remember and even if I forget it, it's easy to look it up. Such passwords can be arbitrarily long.