Excerpt: ...august combination of thought and learning in the judgment which checks presumption, and the genius which adorns speculation. But at that day I was carried away by the ardour of composition, and I admired my performance because I loved my labour. This work had been entirely laid aside for the last agitated month; now that Lilian was gone, I resumed it earnestly, as the sole occupation that had power and charm enough to rouse me from the aching sense of void and loss. The very night of the day she went, I reopened my manuscript. I had left off at the commencement of a chapter Upon Knowledge as derived from our Senses. As my convictions on this head were founded on the well-known arguments of Locke and Condillac against innate ideas, and on the reasonings by which Hume has resolved the combination of sensations into a general idea to an impulse arising merely out of habit, so I set myself to oppose, as a dangerous concession to the sentimentalities or mysticism of a pseudo-philosophy, the doctrine favoured by most of our recent physiologists, and of which some of the most eminent of German metaphysicians have accepted the substance, though refining into a subtlety its positive form, -I mean the doctrine which Muller himself has expressed in these words: - That innate ideas may exist cannot in the slightest degree be denied: it is, indeed, a fact. All the ideas of animals, which are induced by instinct, are innate and immediate: something presented to the mind, a desire to attain which is at the same time given. The new-born lamb and foal have such innate ideas, which lead them to follow their mother and suck the teats. Is it not in some measure the same with the intellectual ideas of man?1 To this question I answered with an indignant No A Yes would have shaken my creed of materialism to the dust. I wrote on rapidly, warmly. I defined the properties and meted the limits of natural laws, which I would not admit that a Deity himself could alter....