Engineers working in the 'black world' of classified military projects are often referred to in military circles as 'black hats.' There are a lot of jokes about the difference between 'white hats' and their spooky counterparts.

Religions have always adopted rich symbolic languages to signify the different aspects of their respective forms of faith and mythology.

For millennia, artists and mystics have pondered the question of how to represent that which, by definition, cannot or must not be represented.

Trevor Paglen Quotes