Famous quotes containing the words single and/or species:
“You behold a range of exhausted volcanoes. Not a flame flickers on a single pallid crest.”
—Benjamin Disraeli (18041881)
“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 were really doing is fine-tuning a process thats already remarkably successful.”
—Lawrence Kutner (20th century)