• Several large, artificial constructions are approaching us, ZORAC announced after a short pause. The designs are not familiar, but they are obviously the products of intelligence. Implications: we have been intercepted deliberately by a means unknown, for a purpose unknown, and transferred to a place unknown by a form of intelligence unknown. Apart from the unknowns, everything is obvious.

    James P. Hogan (2007). “The Two Worlds”, p.129, Baen Publishing Enterprises