Nihilism is the belief that all values are baseless and that nothing can be known or communicated. It is often associated with extreme pessimism and a radical skepticism that condemns existence. A true nihilist would believe in nothing, have no loyalties, and no purpose other than, perhaps, an impulse to destroy.

A pariah state is a nation considered to be an outcast in the international community. The primary categories used for qualification of pariah states are 1) nations that possess weapons of mass destruction in contravention of existing treaties, and 2) nations that support terrorism. Examples include North Korea and Eritrea

The Nuremberg Defence, or "I was just following orders", is a plea that an individual should not be considered guilty of actions that were ordered by a superior officer

"A post written by user Roko goes viral on social media, reaching an audience of several billion people. Roko hypothesises that, in future, there will be a superpowerful AI known as Roko's Basilisk, created in order to optimise human society.

The Basilisk would be supremely powerful - it could not only subject you to extreme torture, but could generate billions of perfect simulations of you and subject them all to horrendous torture too. In a means to ensure its own creation, the Basilisk would do this to any individual who knew the Basilisk might exist, i.e. who had considered it's possibility by reading the post, and chose not to help bring it into being.

So, if you chose not to try to help bring the Basilisk into being, you and billions of perfect simulations of yourself would be tortured eternally - if the Basilisk came into existence, that is"