[S]ound historical method must lead a scholar to distrust any source much of which can be shown to be false — unless truly reliable material exists outside that source as a check.
Sometimes, however, we find that a scholar writes history
on the principle that a historian can safely mine “nuggets” out of otherwise worthless ore.
Both quotations are from Chester G. Starr in “The Credibility of Early Spartan History”, (Historia: Zeitschrift fur Alte Geschichte Bd. 14, H. 3 (Jul., 1965), pp. 257-272) …. http://www.jstor.org/stable/4434883
