You are all spirits. It is not that you "have" a spirit. To have a spirit implies that you are spirit and that you are also something else. Human beings are spirits. Being a human being is one of the ways of being a spirit.
If you have a great deal of knowledge, but you're governed by negative emotions, then you tend to use your knowledge in negative ways. Therefore, while you are learning, don't forget the importance of warmheartedness.