ine weather； but with no effect。
Minister Wang Su sent up a memorial：
〃The histories say that when supplies have to be conveyed a long distance； the soldiers are starved； if they have to gather brushwood before they can cook； then the army is not full fed。 This applies to ordinary expeditions in an ordinary country。 If； in addition； the army has to march through a difficult country and roads have to be cut； the labor is doubled。 Now this expedition is hindered by rain and steep and slippery hills； movement is cramped and supplies can only be maintained with difficulty。 All is most unpropitious to the army。
〃Cao Zhen has been gone over a month and has only got half through the valley。 Road making is monopolizing all energies； and the fighting soldiers have to work on them。 The state of affairs is the opposite to ideal； and the fighting soldiers dislike it。
＇e＇ King Wu； aka the Martial King； founded the Zhou Dynasty； with the help of the Duke of Zhou； who was his brother。 。。。。。
〃I may quote certain parallels。 King Wu of Zhou attacked the last king of Shang Dynasty； he went through the pass； but returned。 In recent times Emperors Cao and Pi； attacking Sun Quan； reached the river； and went no farther。 Did they not recognize limitations and act accordingly？ I pray Your Majesty remember the grave difficulties caused by the rain and put an end to this expedition。 By and by another occasion will arise for using force； and in the joy of overing difficulties the people will forget death。〃
The Ruler of Wei could not make up his mind； but two other memorials by Yang Fu and Hua Xin followed； and then he issued the mand to return； which was sent to Cao Zhen and Sima Yi。
Cao Zhen and Sima Yi had already discussed the abandonment of