Consequently,what has to be learned and known includes the state of affairs on the enemy side and that on our side,both of which should be regarded as the object of study while the mind (the capacity to think) alone is the subject performing the study.

• 因此，学习和认识的对象，包括敌我两方面，这两方面都应该看成研究的对象，只有我们的头脑（思想）才是研究的主体。