Famous quotes containing the words frog and/or species:
“In almost all climes the tortoise and the frog are among the precursors and heralds of this season, and birds fly with song and glancing plumage, and plants spring and bloom, and winds blow, to correct this slight oscillation of the poles and preserve the equilibrium of nature.”
—Henry David Thoreau (18171862)
“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)