We should know better than to fear certain numbers (13) or actions (walking under a ladder) that are nothing more than superstitions. But it’s fascinating to learn where those superstitions came from.
Never let irrational thinking stop you from doing something. When you understand where these myths come from, it’s much easier to dismiss them as silly beliefs not worth taking seriously.
You can see the full lesson on this topic right here.
(via TED-Ed. Thanks to Ed for the link)