* David Hume (1711:1765) was a Scots scholar from Edinburgh -- the youngest son of petty Scots nobility, educated as a lawyer, but steeped in the classics and philosophy. He gradually established himself through his essays and other writings, which covered a wide of subjects. His primary intellectual contribution, however, was in the investigation of human knowledge, reflecting his philosophy of "empirical skepticism". This document surveys Hume's thinking on knowledge, and philosophy in general.