“Nobody climbs mountains for scientific reasons. Science is used to raise money for the expeditions, but you really climb for the hell of it.”— Edmund Hillary, amazon.com
“The ways of reflection constantly are changing, according to the station along the way at which the journey begins, according to the distance along the way that it traverses, according to the vision that opens up while underway into what is question worthy.”— Martin Heidegger, amazon.com
“All observational claims made about the object are made in some perspective or other. Before the seventeenth century, the Milky Way, as part of a commonsense perspective on the world, was perceived using human eyes simply as a broad band of light extending across the night sky. From the perspective…”— Ronald N. Giere, amazon.com
“Whatever forces us to assume that there is an essential difference between 'true' and 'false'? Is it not sufficient to assume different levels of semblance, lighter and darker shadows and tones of semblance — different values in the painter's sense of the term?”— Friedrich Nietzsche, amazon.com
“But if one imagines a world in which humans never appeared with their contingently evolved visual system, then there is no basis for assigning colors to any object. Why should a surface with a given surface spectral reflectance be called 'yellow'? Without reference to the particular characteristics…”— Ronald N. Giere, amazon.com