James Croll Quote

I prefer to use the term "theory," with the above understood qualification, viz... a theory in its hypothetical stage.

Stellar Evolution and Its Relations to Geological Time, Part I (p. 1), D. Appleton & Co. 1889

I prefer to use the term theory, with the above understood qualification, viz... a theory in its hypothetical stage.

I prefer to use the term theory, with the above understood qualification, viz... a theory in its hypothetical stage.

I prefer to use the term theory, with the above understood qualification, viz... a theory in its hypothetical stage.

I prefer to use the term theory, with the above understood qualification, viz... a theory in its hypothetical stage.