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102 be in all different degrees. It is a lower degree of it, which David himself refers to in these words, "Who can tell how oft he offendeth? O cleanse thou me from my secret faults." This is the ground of that advice of Elihu to Job: "Surely it is meet to be said unto God,—That which I see not, teach thou me; if I have done iniquity, I will do no more." And Solomon saw this thing in a very strong light when he said, "He that trusteth his own heart is a fool." This likewise was the reason why that precept, "Know thyself," was so frequently inculcated by the philosophers of old. For if it were not for that partial and fond regard to ourselves, it would certainly be no great difficulty to know our own character, what passes within the bent and bias of our mind; much less would there be any difficulty in judging rightly of our own actions. But from this partiality it frequently comes to pass, that the observation of many men's being themselves last of all acquainted with what falls out in their own families, may be applied to a nearer home, to what passes within their own breasts.

There is plainly, in the generality of mankind, an absence of doubt or distrust, in a very great measure, as to their moral character and behaviour; and likewise a disposition to take for granted, that all is right and well with them in these respects. The former is owing to their not reflecting, not exercising their judgment upon themselves; the latter, to self-love. I am not speaking of that extravagance, which is sometimes to be met with; instances of persons declaring in words at length, that they never were in the wrong, nor had ever any diffidence of the justness of their conduct, in their whole lives: no, these people are too far gone to have anything said to them. The thing before us is indeed of this kind, but in a lower degree, and confined to the moral character: somewhat of which we almost all of us have, without reflecting upon it. Now, consider how long, and how grossly, a person of the bet understanding might be imposed upon by one of whom he had not any suspicion