Cell is to Nature as Point is to Art

Wassily Kandinsky towards the end of the "line" chapter of Point and Line to Plane (translated by Howard Dearstyne and Hilla Rebay) contrasts nature and art.

One must not, however, draw false conclusions from similar cases: the difference between art and nature lies not in the basic laws, but, rather, in the material which is subject to these laws. Furthermore, the basic characteristics of the material, which in each case are different, must not be left out of consideration: the proto-element of nature — cell — which is well known today, is in constant, actual movement, whereas the proto-element of painting — point — knows no movement and is rest.
Geology seems half-way between nature and art.

And so for day 689