When you come to a hill or a bank, occupy the sunny side, with the slope on your right rear. Thus you will at once act for the benefit of your soldiers and utilize the natural advantages of the ground.
The general, unable to control his irritation, will launch his men to the assault like swarming ants, with the result that one-third of his men are slain while the town still remains untaken. Such are the disastrous effects of a siege.