The idea of purity connected with it

Observe, however, that there is one quality, the idea of which had been just introduced in connection with light, which might have escaped us in the consideration of mere matter, namely purity, and yet I think that the original notion of this quality is altogether material,art oil painting online, and has only been attributed to color when such color is suggestive of the condition of matter from which we originally received the idea. For I see not in the abstract how one color should be considered purer than another, except as more or less compounded, whereas there is certainly a sense of purity or impurity in the most compound and neutral colors, as well as in the simplest, a quality difficult to define, and which the reader will probably be surprised by my calling the type of energy, with which it has certainly little traceable connection in the mind. art oil paintings for sale