Full Idea
The movement of pure essences constitutes the nature of scientific method in general.
Gist of Idea
The movement of pure essences constitutes the nature of scientific method
Source
Georg W.F.Hegel (Phenomenology of Spirit [1807], Pref 34)
Book Reference
Hegel,Georg W.F.: 'Phenomenology of Spirit', ed/tr. Miller,A.V. /Findlay,J.N. [OUP 1977], p.20
A Reaction
This would appear to be precisely the idea of scientific essentialism - if he is saying that science seeks to understand the movement (or power) of essences as they occur in nature.