Some Turns of Thought in Modern Philosophy | Page 3

to reveal the nature of external things?
On this point the doctrine of Locke, through Descartes,[3] was also derived from Democritus. It was that all the sensible qualities of things, except position, shape, solidity, number and motion, were only ideas in us, projected and falsely regarded as lodged in things. In the things, these imputed or secondary qualities were simply powers, inherent in their atomic constitution, and calculated to excite sensations of that character in our bodies. This doctrine is readily established by Locke's plain historical method, when applied to the study of rainbows, mirrors, effects of perspective, dreams, jaundice, madness, and the will to believe: all of which go to convince us that the ideas which we impulsively assume to be qualities of objects are always, in their seat and origin, evolved in our own heads.
These two parts of Locke's natural philosophy, however, are not in perfect equilibrium. All the feelings and ideas of an animal must be equally conditioned by his organs and passions,[4] and he cannot be aware of what goes on beyond him, except as it affects his own life.[5] How then could Locke, or could Democritus, suppose that his ideas of space and atoms were less human, less graphic, summary, and symbolic, than his sensations of sound or colour? The language of science, no less than that of sense, should have been recognised to be a human language; and the nature of anything existent collateral with ourselves, be that collateral existence material or mental, should have been confessed to be a subject for faith and for hypothesis, never, by any possibility, for absolute or direct intuition.
There is no occasion to take alarm at this doctrine as if it condemned us to solitary confinement, and to ignorance of the world in which we live. We see and know the world through our eyes and our intelligence, in visual and in intellectual terms: how else should a world be seen or known which is not the figment of a dream, but a collateral power, pressing and alien? In the cognisance which an animal may take of his surroundings--and surely all animals take such cognisance--the subjective and moral character of his feelings, on finding himself so surrounded, does not destroy their cognitive value. These feelings, as Locke says, are signs: to take them for signs is the essence of intelligence. Animals that are sensitive physically are also sensitive morally, and feel the friendliness or hostility which surrounds them. Even pain and pleasure are no idle sensations, satisfied with their own presence: they violently summon attention to the objects that are their source. Can love or hate be felt without being felt towards something--something near and potent, yet external, uncontrolled, and mysterious? When I dodge a missile or pick a berry, is it likely that my mind should stop to dwell on its pure sensations or ideas without recognising or pursuing something material? Analytic reflection often ignores the essential energy of mind, which is originally more intelligent than sensuous, more appetitive and dogmatic than aesthetic. But the feelings and ideas of an active animal cannot help uniting internal moral intensity with external physical reference; and the natural conditions of sensibility require that perceptions should owe their existence and quality to the living organism with its moral bias, and that at the same time they should be addressed to the external objects which entice that organism or threaten it.
All ambitions must be defeated when they ask for the impossible. The ambition to know is not an exception; and certainly our perceptions cannot tell us how the world would look if nobody saw it, or how valuable it would be if nobody cared for it. But our perceptions, as Locke again said, are sufficient for our welfare and appropriate to our condition. They are not only a wonderful entertainment in themselves, but apart from their sensuous and grammatical quality, by their distribution and method of variation, they may inform us most exactly about the order and mechanism of nature. We see in the science of today how completely the most accurate knowledge--proved to be accurate by its application in the arts--may shed every pictorial element, and the whole language of experience, to become a pure method of calculation and control. And by a pleasant compensation, our aesthetic life may become freer, more self-sufficing, more humbly happy in itself: and without trespassing in any way beyond the modesty of nature, we may consent to be like little children, chirping our human note; since the life of reason in us may well become science in its validity, whilst remaining poetry in its texture.
I think, then, that by a slight re-arrangement of Locke's pronouncements in natural philosophy, they could be made inwardly consistent, and still faithful to the first presuppositions of common sense, although certainly