All the phenomenal features explained above are states of mind which are attributes of a non-physical matter. A physical matter cannot think, reason, and argue. These feelings of curiosity, believes, enquiring, emotion and reflection are the products of mind. Mind is the force which pushes the body to work to learn more about a certain thing. For example a person read something, it always has some effects on his/her mind. Mind will ponder about that subject and ideas are built through it, which as a result produces curiosity to learn more. And scientific inquiry takes place to reach to a certain solution. And the mind develops values and believes on the basis of the observations and results around it. And all these features of human being which are related to awareness, consciousness and intelligence are the products of mind. Mind is the one producing and operating them. If dualism is not true then mind is only the physical brain. Then in this situation we cannot think of a material substance to possess the qualities of consciousness which is the central ingredient for possessing phenomenal features. We cannot then expect features like consciousness, emotions, curiosity, sensations, desires, beliefs etc. So there has to be something which is responsible for these behaviors, and that is mind which is not material and which is a non-physical substance.