Famous quotes containing the words tree and/or species:
“A tree swayed overwater.
A voice said:
Stay. Stay by the slip-ooze. Stay.”
—Theodore Roethke (1908–1963)
“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)