* There are various reasons why it is bad luck to walk under a ladder
* Osiris (Egyptian god) was murdered by his brother Seth. Isis (Osiris' wife) rescued Osiris from the underworld by dropping a ladder
* Ladders were found in Egyptian tombs
* The place under the ladder was considered the place of the gods
* To underneath is would be sacrireligious
* Christians saw the three points of a ladder as a Holy Trinity
* Common sense tells you not to walk under a ladder because that is where workers are taught to drop their tools