And so I conclude that blood lives and is nourished of itself and in no way depends on any other part of the body as being prior to it or more excellent...So that from this we may perceive the causes not only of life in general...but also of longer or shorter life, of sleeping and waking, of skill, of strength and so forth.


Disputations Touching the Generation of Animals (1651), trans. Gweneth Whitteridge (1981), Chapter 52


And so I conclude that blood lives and is nourished of itself and in no way depends on any other part of the body as being prior to it or more...

And so I conclude that blood lives and is nourished of itself and in no way depends on any other part of the body as being prior to it or more...

And so I conclude that blood lives and is nourished of itself and in no way depends on any other part of the body as being prior to it or more...

And so I conclude that blood lives and is nourished of itself and in no way depends on any other part of the body as being prior to it or more...