Sun Tzu's Art of War belongs to military knowledge and mainly records the strategy and tactics of war. So you should be familiar with the book Sun Tzu's Art of War first. I need you to read it carefully from beginning to end.
Because many things want to succeed, then you need to have a solid foundation. And a solid foundation requires you to be completely familiar with it. So we need to understand it by our own efforts.
Of course, you can also study with others, study together, discuss some related things together, and express your thoughts and opinions.
Secondly, we should practice in actual combat, that is, we should have time to experience some examples and methods mentioned in books. You will be impressed if you feel it yourself. Because you have experienced it, you will remember more.
In short, as long as some of the strategies mentioned can be applied to practice. Then you can study. Because you have experienced it, you will learn.
Practice is the most important thing.