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)
“Our species successfully raised children for tens of thousands of years before the first person wrote down the word “psychology.” The fundamental skills needed to be a parent are within us. All we’re really doing is fine-tuning a process that’s already remarkably successful.”
—Lawrence Kutner (20th century)