In 1930s mysteries, all sorts of motives were credible which aren't credible today, especially motives of preventing guilty sexual secrets from coming out. Nowadays, people sell their guilty sexual secrets.
“I would like to be a scholar in whatever I do, a scholar is never finished, he is always seeking and I am always seeking.”
“An innovation is one of those things that society looks at and says, if we make this part of the way we live and work, it will change the way we live and work.”