It is said that in art and philosophy the cube (and the square) represent the earth or creation and its perfection as opposed to the sphere (and the circle) which wants to illustrate celestial perfection. This is because the cube in some way represents a rigid form of perfection: its faces are all equal to each other, just as every square is composed of identical and superimposable sides. Plato also reflects on perfect geometric figures, so much so that we also talk about of Platonic Solids and the cube is one of them. However, this is only a small part of a complex and very broad reasoning. In Chinese philosophy, the feminine principle is represented with a black square (Yin, again the earth) while the masculine principle finds its representation in a white circle (Yang, the sky). Going b.
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