Sixth Principle
38. Nature, in its formative processes, begins with the universal and ends with the particular.
For example: a bird is to be produced from an egg. It is not the head, an eye, a feather, or a claw that is first formed, but the following process takes place. The whole egg is warmed; the warmth produces movement, and this movement, brings into existence a system of veins, which mark in outline the shape of the whole bird (defining the parts that are to become the head, the wings, the feet, etc.) It is not until this outline is complete that the individual parts are brought to perfection.
39. Imitation.—The builder takes this as his model. He first makes a general plan of the building in his head, or on paper, or in wood. Then he lays the foundations, builds the walls, and lays on the roof. It is not until he has done this that he gives his attention to the small details that are necessary to complete a house, such as doors, windows, staircases, etc.; while last of all he adds ornamentation such as paintings, sculptures, and carpets.
40. An artist proceeds in the same way. He does not begin by drawing an ear, an eye, a nose, or a mouth, but first makes a charcoal sketch of the face or of the whole body. If he be satisfied that this sketch resembles the original, he paints it with light strokes of the brush, still omitting all detail. Then, finally, he puts in the light and shade, and, using a variety of colours, finishes the several parts in detail.
41. The procedure of the sculptor is the same. When he wishes to carve a statue, he takes a block of marble and shapes it roughly. Then he sets to work more carefully and outlines the most important features. Finally, he chisels the individual parts with the greatest accuracy and colours them artistically.
42. In the same way the gardener takes the most simple and universal part of a tree, namely, a shoot.
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