ONE:Frederick on the 17th, the day after the departure of the Austrian army, invested Neisse. He had an embarrassing part to play. He was to conduct a sham siege in the presence of M. Valori, who was not only a man of ability, but who possessed much military intelligence. Feigning the utmost zeal, Frederick opened his trenches, and ostentatiously man?uvred his troops. He sent the young Prince Leopold, with fifteen thousand horse and foot, into the Glatz country, many leagues to the east, to guard against surprise from an enemy, where no enemy was to be found. He marked out his parallels, sent imperious summonses for surrender, and dispatched reconnoitring parties abroad. M. Valori began to be surprised��amazed. ��What does all this mean?�� he said to himself. ��They have great need of some good engineers here.��Soon after this, Frederick again wrote to his sister a letter which throws so much light upon his character that we give it almost entire: