You asked what is the secret of a really good sketch. And it is a sketch is a small play. It's got a beginning, and a middle and an end. It should have a plot; it should have the characters, conflict. It is a little play. And in it, will be funny stuff.
-- Harvey Korman
   
Harvey Korman   Name:
Harvey Korman
Type:
Actor
Nationality:
American
Birth:
February 15, 1927
https://www.nutquote.com/quote/Harvey_Korman