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
A simple grain of sand "The desert will give you an understanding of the world; in fact, anything on the face of the earth will do that. You don't even have to understand the desert: all you have to do is contemplate a simple grain of sand, and you will see in it all the marvels of creation." Paulo Coelho, The Alchemist The history of all things