For our passions and inclinations are not always upon the wing, and always moving toward their respective objects, but retire now and then into the more dark and hidden recesses of the heart, where they lie concealed for a while, until a fresh occasion calls them forth again:  So that not every transient, oblique glance upon the mind can bring a man into a thorough knowledge of all its strength and weaknesses; for a man may sometimes turn the eye of the mind inward upon itself, as he may behold his natural face in a glass, and go away, “and straight forget what manner of man he was.”  But a man must rather sit down and unravel every action of the past day into all its circumstances and particularities, and observe how every little thing moved and affected him, and what manner of impression it made upon his heart; this done with that frequency and carefulness which the importance of the duty does require, would in a short time bring him into a nearer and more intimate acquaintance with himself.

But when men instead of this do pass away months and years in a perfect slumber of the mind, without once awaking it, it is no wonder they should be so very ignorant of themselves, and know very little more of what passes within them than the very beasts which perish.  But here it may not be amiss to inquire into the reasons why most men have so little conversation with themselves.

And, first: Because this reflection is a work and labour of the mind, and cannot be performed without some pain and difficulty:  For, before a man can reflect upon himself, and look into his heart with a steady eye, he must contract his sight, and collect all his scattering and roving thoughts into some order and compass, that he may be able to take a clear and distinct view of them; he must retire from the world for a while, and be unattentive to all impressions of sense; and how hard and painful a thing must it needs be to a man of passion and infirmity, amid such a crowd of objects that are continually striking upon the sense, and soliciting the affections, not to be moved and interrupted by one or other of them.  But,

Secondly: Another reason why we so seldom converse with ourselves, is, because the business of the world takes up all our time, and leaveth us no portion of it to spend upon this great work and labour of the mind.  Thus twelve or fourteen years pass away before we can well discern good from evil; and of the rest so much goes away in sleep, so much in the proper business of our calling, that we have none to lay out upon the more serious and religious employments.  Every man’s life is an imperfect sort of a circle, which he repeats and runs over every day; he has a set of thoughts, desires, and inclinations, which return upon him in their proper time and order, and will very hardly be laid aside, to make room for anything new and uncommon:  So that call upon him when you please, to set about the study of his own heart, and