Famous quotes containing the words tree and/or species:
“Here is a hero who did nothing but shake the tree as soon as the fruit was ripe. Does this seem to be too small a thing to you? Then take a good look at the tree he shook.”
—Friedrich Nietzsche (1844–1900)
“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)