In every physical science we have carefully to distinguish between the facts which form its subject-matter and the theories by which we attempt to explain these facts, and group them in our scientific systems.


The New Chemistry, Lecture I (p. 9), D. Appleton & Company. 1876

Josiah Parsons Cooke Quotes

In every physical science we have carefully to distinguish between the facts which form its subject-matter and the theories by which we attempt to...

In every physical science we have carefully to distinguish between the facts which form its subject-matter and the theories by which we attempt to...

In every physical science we have carefully to distinguish between the facts which form its subject-matter and the theories by which we attempt to...

In every physical science we have carefully to distinguish between the facts which form its subject-matter and the theories by which we attempt to...