Full Idea
Dualist religions solve the problem of evil, but are unnerved by the Problem of Order. …If Good and Evil battle for control of the world, who enforces the laws governing this cosmic war?
Gist of Idea
Dualist religions say the cosmos is a battleground, so can’t explain its order
Source
Yuval Noah Harari (Sapiens: brief history of humankind [2014], 12 'Battle')
Book Reference
Harari,Yuval Noah: 'Sapiens: a brief history of Humankind' [Vintage 2014], p.246
A Reaction
You might explain it if one side was persistently winning, which is roughly God v Satan.