Were the eye not attuned to the Sun,
The Sun could never be seen by it.
Goethe
Citado por Hanson, a abrir o primeiro capítulo do clássico Patterns of Discovery.
Um pequenino recorte:
Seeing is an experience. A retinal reaction is only a physical state — a photochemical excitation. Physiologists have not always appreciated the differences between experiences and physical states. People, not their eyes, see. Cameras, and eye-balls, are blind.
Ler em linha o primeiro capítulo.
