Some terrestrial forms are semiburrowing, whereas others are arboreal (tree dwelling).

As a neo-Sherlock Holmes, however, Mulder is also a very noir version of the classic detective (just as Scully is a very noir Watson).

He saw only a little bit.

I have told you, where the air is pure, where every sound soothes, where one is sure to be humbled, however proud may be his nature. I love that humiliation, I, who am master of the universe, as was Augustus