Friedrich Hayek on the role of official myths in totalitarian systems

[I]n the disciplines dealing directly with human affairs and therefore most immediately affecting political views, such as history, law, or economics, the disinterested search for truth cannot be allowed In a totalitarian system, and the vindication of the official views becomes the sole object...  These disciplines have, indeed, in all totalitarian countries become the most fertile factories of the official myths  which the rulers use to guide the minds and wills of their subjects.  It is not surprising that in these spheres even the pretense that they search for truth is abandoned...

~ "The Road to Serfdom," Chapter 11, “The End of Truth,” p. 161