In any case, there are those of us who in the Vortical change of the social order through which we are whirling, feel a desire to orient ourselves through an objective interest in letters among the embattled purposes and policies which are now gripped in a final test of strength.
"Prophets of Dissent Essays on Maeterlinck, Strindberg, Nietzsche and Tolstoy"
Otto Heller
If a theory of this kind is true, or even if it is conceivable, our idea of matter may have been introduced into our minds through our experience of those systems of vortices which we call bodies, but which are not substances, but motions of a substance; and yet the idea which we have thus acquired of matter, as a substance possessing inertia, may be truly applicable to that fluid of which the vortices are the motion, but of whose existence, apart from the Vortical motion of some of its parts, our experience gives us no evidence whatever.
"Five of Maxwell's Papers"
James Clerk Maxwell
Hence the whole assemblage of flocculi will break up into groups: each group concentrating towards its local centre of gravity, and in so doing acquiring a Vortical movement like that subsequently acquired by the whole nebula.
"Essays: Scientific, Political, & Speculative, Vol. I"
Herbert Spencer