Authors:

We have severely underestimated the Russians, the extent of the country and the treachery of the climate. This is the revenge of reality.

"Images of Kursk : History's Greatest Tank Battle, July 1943". Book by Nikolas Cornish, p. 6, 2002.
We have severely underestimated the Russians, the extent of the country and the treachery of the climate. This is the revenge of reality.