Famous quotes containing the words tree and/or species:
“Gray, dear friend, is all theory,
But green the golden tree of life.”
—Johann Wolfgang Von Goethe (1749–1832)
“A man, to be greatly good, must imagine intensely and comprehensively; he must put himself in the place of another and of many others; the pains and pleasures of his species must become his own.”
—Percy Bysshe Shelley (1792–1822)