Even in populous districts, the practice of medicine is a lonely road which winds up-hill all the way and a man may easily go astray and never reach the Delectable Mountains unless he early finds those shepherd guides of whom Bunyan tells, Knowledge, Experience, Watchful, and Sincere.
William OslerGentlemen, I have a confession to make. Half of what we have taught you is in error, and furthermore we cannot tell you which half it is
William OslerThat man can interrogate as well as observe nature was a lesson slowly learned in his evolution.
William Osler