Who said "In the fog of war, principles are your only compass."?

This quote is attributed to Alfred von Schlieffen.

In the fog of war, principles are your only compass. - Alfred von Schlieffen

"In the fog of war, principles are your only compass."

Alfred von Schlieffen Truth

Military General German 1833–1913

"The whole of the Balkans is not worth the bones of a single Pomeranian grenadier."

"In strategy the longest cut is often the shortest way home."

"Know thyself, and then thou shalt know all things."

"The art of war is the art of concentration."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."