EN
One of the most important ideas for the strategists of security is the idea of evil. This idea must be considered in two aspects: as a philosophical thought (as evil „in itself ”) and as related to concrete evil we can encounter. If we accept that the evil is real, it must be destroyed. If we accept that it is only a lack of good, should be completed to restore balance. The article spotlights the forgotten Zoroaster’s theories and some of their adaptations placed in the context of modern definitions of reality, human nature, hostility, war, and leadership. The summary encourages reflexion of the question what contemporary strategists can learn from Zoroaster.