Metaphysical discussions are not to be put in opposition to the study of facts; but are to be stimulated, nourished and directed by a constant recourse to experiment and observation.


The Philosophy of the Inductive Sciences: Founded Upon Their History, (Volume 2), Book XIII, Chapter IV (p. 379)


Metaphysical discussions are not to be put in opposition to the study of facts; but are to be stimulated, nourished and directed by a constant...

Metaphysical discussions are not to be put in opposition to the study of facts; but are to be stimulated, nourished and directed by a constant...

Metaphysical discussions are not to be put in opposition to the study of facts; but are to be stimulated, nourished and directed by a constant...

Metaphysical discussions are not to be put in opposition to the study of facts; but are to be stimulated, nourished and directed by a constant...