Cellular pathology is not an end if one cannot see any alteration in the cell. Chemistry brings the clarification of living processes nearer than does anatomy. Each anatomical change must have been preceded by a chemical one.
Rudolf VirchowAs long as vitalism and spiritualism are open questions so long will the gateway of science be open to mysticism.
Rudolf VirchowIt is the curse of humanity that it learns to tolerate even the most horrible situations by habituation.
Rudolf Virchow