Highly Migratory Species

Famous quotes containing the words highly and/or species:

“There may be an excess of cultivation as well as of anything else, until civilization becomes pathetic. A highly cultivated man,—all whose bones can be bent! whose heaven-born virtues are but good manners!”
—Henry David Thoreau (1817–1862)

“The question that will decide our destiny is not whether we shall expand into space. It is: shall we be one species or a million? A million species will not exhaust the ecological niches that are awaiting the arrival of intelligence.”
—Freeman Dyson (b. 1923)