No. And that's the entire problem. People use this quote as some kind of truism, and since you couldn't ever get all people to sit alone quietly in a room, it also cannot be disproven (much like my anti-meteor stone that I carry with me).
It then gets dressed up as some kind of mystical wisdom when it was never intended to be that big. It's become an easy way to believe oneself wise without having to actually think.
It then gets dressed up as some kind of mystical wisdom when it was never intended to be that big. It's become an easy way to believe oneself wise without having to actually think.