“According to Hume, the mind is passive merely gathering the
His observance of the mind was written when he was still quite young, and as such gives a very sparse account of the mind and how it works. By the time he wrote the Enquiries, he was a little less certain to claim that there is no self by writing in paragraph 52. "Is there any principle in nature more mysterious than the union of soul with bodyaE and concluded by saying that proving that there is a soul or self is extremely difficult.
Hume's explanation of Association of Ideas is that there is firstly resemblance, e.g. when we look at a picture our thought lead us to the original; secondly, contiguity in time and space e.g. mention of one flat leads to an enquiry about others in the block and thirdly cause or effect -thinking of a wound makes us think of the pain that will follow. Hume believed that it is these laws, and these laws only that underlie all connections in the mind. He believed in connections in the mind because there is always a methodical and regular train of events, and that a break in these trains is always noticed. For example in a conversation, if someone breaks a certain train of thought, everyone would notice and the train b