What makes humans different from animals? The soul differentiates us from animals. ... This is what separates us from animals. ... This is animal like, and does not separate him from the animal. ... In life we all have goals, and dreams that we strive for. ...
After his dissection of animals He was able to describe how the blood flowed and how the heart pumped. ... No longer were men to rest content with careful observation and with accurate description; no longer were men to be content with finely spun theories and dreams, which "serve as a common subterfuge of ignorance"; but here for the first time a great physiological problem was approached from the experimental side by a man with a modern scientific mind, who could weigh evidence and not go beyond it, and who had the sense to let the conclusions emerge naturally but firmly from the observation...
