Famous quotes containing the words natural and/or extension:
““Having reached the term of his natural life”; Mwould it not be truer to say, Having reached the term of his unnatural life?”
—Henry David Thoreau (1817–1862)
“The motive of science was the extension of man, on all sides, into Nature, till his hands should touch the stars, his eyes see through the earth, his ears understand the language of beast and bird, and the sense of the wind; and, through his sympathy, heaven and earth should talk with him. But that is not our science.”
—Ralph Waldo Emerson (1803–1882)