suddenly injected into the mind, we know not how, though we may give a pretty good guess from whence. And all those thoughts which are appar|ently temptations and inducements to sin, our Lord hath, by his example, taught us to treat in this manner .
These then are the thoughts we should carefully guard against.—And as they will (especially some of them) be frequently insinuating themselves into the heart, remember to set reason at the door of it to guard the passage, and bar their entrance, or drive them out forthwith when entered; not only as impertinent, but mischievous intruders.
But, II. There are other kinds of thoughts which we ought to indulge and with great care and dili|gence retain and improve.
Whatever thoughts give the mind a rational or religious pleasure, and tend to improve the heart and understanding, are to be favoured, often recall|ed, and carefully cultivated. Nor should we dis|miss them, till they have made some impressions on the mind, which are like to abide there.
And to bring the mind into a habit of recover|ing, retaining, and improving such thoughts, two things are necessary.
1. To habituate ourselves to a close and rational way of thinking. And 2. To moral reflections and relig|ious contemplations.
1. To prepare and dispose the mind for the en|tertainment of good and useful thoughts, we must