The Opponent's Heart.

This is an important matter. Having knowledge allows insight into a person's emotion, and with experience you will see one's heart.

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* having knowledge of the human nature will make it possible to see your opponent's emotions. However, if you have certain experience it is possible to understand the opponents true nature, beyond the emotional state in which he is at that moment.

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You might mistake a person's emotions, but you will not make a mistake looking at one's heart.

Begin with your own heart, which was given to you from heaven, and know it well. Reflect on every aspect of it, then look at a person's heart and you shall be able to see its emotional state.

These which are inherent in one's heart are:

Happiness. Seeking happiness is the heart's original emotion.

* Identifying a person's emotional state is not as simple as one might think. Sometimes, a similar appearance could be the result of different emotions. To understand the problems of identifying an emotion, and the problems involved in it, you must first study your own heart. In other words, you have to study well your emotions, when they arise and how they appear. Only when you know yourself can you truly know your opponent.

There are seven fundamental emotions that exist in one's heart since birth.