An outline of the necessary laws of thought; a treatise on pure and applied logic . think, thefeare the rules according to which their thoughts run,that the knowledge of laws and principles, indepen-dent of ulterior profit, is always gratifying to activeminds, and that inafmuch as the clear underftandingof what is right, is always ufeful for the avoidance ofwhat is wrong, Logic is an ufeful inftrument in think-ing. But it gives us the forms of knowledge, not thematter. It will not lay bare the hidden fprings ofmoral action ; nor explain the myftery of life, of fleep,of fancy, of memory ; nor d
An outline of the necessary laws of thought; a treatise on pure and applied logic . think, thefeare the rules according to which their thoughts run,that the knowledge of laws and principles, indepen-dent of ulterior profit, is always gratifying to activeminds, and that inafmuch as the clear underftandingof what is right, is always ufeful for the avoidance ofwhat is wrong, Logic is an ufeful inftrument in think-ing. But it gives us the forms of knowledge, not thematter. It will not lay bare the hidden fprings ofmoral action ; nor explain the myftery of life, of fleep,of fancy, of memory ; nor difplay the future deftina-tion of man and the world. Still lefs will it be to usinftead of eyes, if, turning away from this ball ofearth on which we ftand, we try to look off to theInfinite—the Abfolute—the Eternal, whofe naturewill not take the mould of our intellectual forms,who comprehends us, when we vainly think that wecomprehend Him. OUTLINE OF THE LAWSOF THOUGHT. PART Non obftant hae difciplinae per eas euntibus, fed circaillashaerentibus. CONCEPTIONS. § 47. Cognitions in General. ?HE want of any manual of Metaphyficsto which we might conveniently refer,compels us to explain here the namesof the fimpleft mental impreffions, in asfar as Logic prefuppofes the poiTeffion of them. The impreffion which any object makes upon themind may be called a Prefentation. Some Prefenta-tions are admitted into the mind without being no-ticed, as is the cafe with the words fpoken to a dreamyor abfent man, or with a houfe or tree which, form-ing part of a great landfcape, efcapes the fpecial no-tice of the beholder. The mind is unconfcious ofthem -9 it fees or hears, but does not know that it feesor hears, fo that the impreffion is not clear. And yetit is a real impreffion, becaufe when attention is di-rected to it, we know that it muft have been therebefore. A man ftares his friend in the face withoutrecognizing him ; when his friend awakens his atten- 94
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