The title is a common variation of a line from Hippocrates, the Greek Father of Medicine: "Life is short, art is long, decision difficult, and experiment perilous." The line is recited by Nick Bederaux in the film.
Towards the end of the film, when Dr. Bailey attacks Nick and the two briefly fight, it's very obvious that the people seen fighting are stunt doubles. Nick's stunt double doesn't even have the same hair color.
In the long shot when the principals go in to dinner the butler is seen closing the door. The next shot, a medium, shows the butler closing the door again.