Hume vs. Kant: Causality Hume’s ultimate goal in his philosophic endeavors was to undermine abstruse Philosophy. By focusing on the aspect of reason, Hume shows there are limitations to philosophy. Since he did not know the limits, he proposed to use reason to the best of his ability, but when he came to a boundary, that was the limit. He conjectured that we must study reason to find out what is beyond the capability of reason. Hume began his first examination if the mind by classifying its contents as Perceptions. “Here therefore [he divided] all the perceptions of the mind into two classes or species.” (27) First, Im