section_path: Characteristics/Invariance
section_name: Invariance
paragraph_text: Invariance
  
  Catherine Bell states that ritual is also invariant, implying careful choreography. This is less an appeal to traditionalism than a striving for timeless repetition. The key to invariance is bodily discipline, as in monastic prayer and meditation meant to mold dispositions and moods. This bodily discipline is frequently performed in unison, by groups.