On your life, underestimating the proclivities of finches is likely to lead to great internal hemorrhaging.
Charles DarwinThere is no fundamental difference between man and the higher mammals in their mental faculties...The difference in mind between man and the higher animals, great as it is, certainly is one of degree and not of kind.
Charles DarwinWhen I view all beings not as special creations, but as the lineal descendants of some few beings which lived long before the first bed of the Cambrian system was deposited, they seem to me to become ennobled.
Charles Darwin