Famous quotes containing the words single and/or species:
“‘Tis not the many oaths that makes the truth,
But the plain single vow that is vowed true.
What is not holy, that we swear not by,
But take the Highest to witness.”
—William Shakespeare (1564–1616)
“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)