Thus circumstanced, General Neipperg gave the order to retreat. At the double quick, the Austrians retired back through the street of Mollwitz, hurried across the River Laugwitz by a bridge, and, turning short to the south, continued their retreat toward Grottkau. They left behind them nine of their own guns, and eight of those which they had captured from the Prussians. The Prussians, exhausted by the long battle, their cavalry mostly dispersed and darkness already enveloping them, did not attempt any vigorous pursuit. They bivouacked on the grounds, or quartered themselves in the villages from which the Austrians had fled.Five days after this letter was written to Voltaire by Wilhelmina from Baireuth, Frederick, on the 17th of September, 1757, wrote his sister from near Erfurt. This letter, somewhat abbreviated, was as follows: