Walk under a ladder:It has long been said that walking under a ladder brings bad luck.While many people have proven this old wives tale wrong,it's something that many people still avoid doing.This old wives tale is said to date back to early Christianity as the sides of the ladder and the ground form a triangle,the symbol of Holy Trinity.When one walks through it,it's said to violate the trinity,putting himself on the same level as the devil.(a different version from Notes • Walk under a ladder: It has long been said that walking under a ladder brings bad luck. While many people have proven this old wives tale wrong, it’s something that many people still avoid doing. This old wives tale is said to date back to early Christianity as the sides of the ladder and the ground form a triangle, the symbol of Holy Trinity. When one walks through it, it’s said to violate the trinity, putting himself on the same level as the devil. (a different version from Notes 5)