Page:Biographia literaria; or, Biographical sketches of my literary life and opinions (IA biographialitera04cole).pdf/260

. But in philosophy the cannot have its direction determined by an outward object. To the original construction of the line, I can be compelled by a line drawn before me on the slate or on sand. The stroke thus drawn is indeed not the line itself, but only the image or picture of the line. It is not from it, that we first learn to know the line; but, on the contrary, we bring this stroke to the original line generated by the act of the imagination; otherwise we could not define it as without breadth or thickness. Still however this stroke is the sensuous image of the original or ideal line, and an efficient mean to excite every imagination to the intuition of it.

It is demanded then, whether there be found any means in philosophy to determine the direction of the, as in mathematics it is determinable by its specific image or outward picture. Now the inner sense has its direction determined for the greater part only by an act of freedom. One man's consciousness extends only to the pleasant or unpleasant sensations caused in him by external impressions; another enlarges his inner sense to a consciousness of forms and quantity; a third in addition to the image is conscious of the conception or notion of the thing; a fourth attains to a notion of his notions—he reflects on his own reflections; and thus we may say