The notion of a thermal optimum persists There is an underlying assumption that the best thermal environment never needs to be noticed, and that once an objectively "comfortable" thermal environment has been provided, all of our thermal needs will have been met. The use of all of our extremely sophisticated environmental control systems is directed to this one end—to produce standard comfort zone conditions. Lisa Heschong, Thermal Delight in Architecture heatcomfortenvironmentux
The palette of nature "What nature does with its colors is invariably—the palette of nature is twice as complicated, at least twice as sophisticated, as anything any artist can ever come up with. On a couple levels. To start with, there are these amazing combinations of colors, filled with surprises and almost never wrong. I don't know how Nature ever conceived to put, say, those together. But, boy, are they right on the money!" Lawrence Wechler & Robert Irwin, Seeing Is Forgetting the Name of the Thing One Sees Colors in natureHues subdued naturecolor