Observing depends on the observation instruments, but we have to know what to observe, why and for what purpose. All observation depends on the scientific and cultural presuppositions of the observer. There is no observation without a linguistic description which presupposes the appropriate linguistic tool.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.