When he has penetrated into hostile territory, but to no gre... ss. 11.3, Chapter 11: The Nine Situations

When an army has penetrated into the heart of a hostile coun... ss. 11.7, Chapter 11: The Nine Situations

The following are the principles to be observed by an invadi... ss. 11.20, Chapter 11: The Nine Situations

When you penetrate deeply into a country, it is serious grou... ss. 11.44, Chapter 11: The Nine Situations