<p>A Treatise of Human Nature is a book by philosopher David Hume. The introduction presents the idea of placing all science and philosophy on a novel foundation: namely, an empirical investigation into human psychology.<br><br>It is evident, that all the sciences have a relation, greater or less, to human nature: and that however wide any of them may seem to run from it, they still return back by one passage or another. Even. Mathematics, Natura...