" —Yet how did they know to preserve their dead for thousands of years without cryonic suspension? And how did they build their giant pyramids, made out of stone blocks bigger and heavier than shipping containers, quarried from mountains hundreds of miles from the Valley of the Kings?” Obviously, Mary noted, empires that endured for thousands of years couldn’t possibly have achieved anything notable without the helpful guidance of interstellar white saviors— "

― Charles Stross , Quantum of Nightmares (The New Management #2)