The battle between the “darkness of error” and “the light of Divine Guidance”

...The darkness of error that has enveloped the East and West is, in this most great cycle, battling with the light of Divine Guidance. Its swords and its spears are very sharp and pointed; its army keenly bloodthirsty. 

- ‘Abdu’l-Baha  (Cited in Shoghi Effendi, ‘The Advent of Divine Justice’; The Compilation of Compilations, vol. II, Opposition)