 The selection was determined by the origin of the prayer, which is based on the number 150, the number of the Psalms in the Psalter. And maybe later on, we'll get into some of the origins of the Rosary. Where did it really come from in the first place? And it was often called in the past, the poor man's Psalter, because monks, religious would often pray all the Psalms every day, 150 Psalms. And so