There is no more difficult art to acquire than the art of observation, and for some men it is quite as difficult to record an observation in brief and plain language.
William OslerFew diseases present greater difficulties in the way of diagnosis than malignant endocarditis, difficulties which in many cases are practi- cally insurmountable. It is no disparagement to the many skilled physicians who have put their cases upon record to say that, in fully one-half the diagnosis was made post mortem.
William OslerLive neither in the past nor in the future, but let each day's work absorb your entire energies, and satisfy your widest ambition.
William Osler