Hume wavers somewhat in his division of the various kinds of cognition, laying stress now upon one now upon another of the points in which mainly they differ from one another.
Yet it would seem there had been a still higher pitch used in the old ecclesiastical music. Upon this interesting question Praetorius is confused and difficult to understand, but he never wavers about the transposition of a fourth.
The Alexandrian philosopher wavers between the two theories and has to accord to the Logos of Hellas a semiindependent position beside the supreme God of Judaea.
Even Roman tradition itself wavers; e.g.
Even in the department of natural science he shows the same inability steadfastly to retain principles and to work from them; he wavers between the systems of Brahe and Copernicus.