theoretick

And thus much for the first extreme mentioned; by which Satan has poisoned the principles and theoretick part of religion; though the poison will be found of that spreading malignity, as to influence the practick too.

Sermons Preached Upon Several Occasions. Vol. III. 1634-1716 1823

That few men, celebrated for theoretick wisdom, live with conformity to their precepts, must be readily confessed; and we cannot wonder that the indignation of mankind rises with great vehemence against those, who neglect the duties which they appear to know with so strong conviction the necessity of performing.

The Rambler, sections 55-112 (1750-1751); from The Works of Samuel Johnson in Sixteen Volumes, Vol. IV 1750