<p>In our reasonings concerning matter of fact there are all imaginable degrees of assurance from the highest certainty to the lowest species of moral evidence. A wise man therefore proportions his belief to the evidence.<br /><br />The book that famously woke Kant from his dogmatic slumber Hume's 1748 work was an early version of pop-science in action.<br /><br />Hume believed that his anonymously published A Treatise of Human Nature had fell dead-born from the press in 1739-1740 so he redeveloped reworked and republished a shorter version which he believed to be the important bits and called it An Enquiry Concerning Human Understanding. It was published in 1748 and is still a classic of modern philosophical thought.</p>