“The world needs ditch diggers, too”

“The world needs ditch diggers, too” is a line from the film comedy Caddyshack (1980):
 
Danny Noonan: I planned to go to law school after I graduated, but it looks like my folks won’t have enough money to put me through college.
Judge Smails: Well, the world needs ditch diggers, too.
Lacey Underall: [to Danny] Nice try.
 
There are many similar statements that pre-date and post-date this famous line. “The world needs ditch diggers, but, honestly, wouldn’t you rather serve the world in some higher capacity?” was a 1923 Rotary International advertisement telling people to stay in school. “But the world needs truckers, too” was cited in 1989.
 
 
3 September 1923, Dallas (TX) Morning News, pg. 6, col. 1 ad:
The world needs ditch diggers, but, honestly, wouldn’t you rather serve the world in some higher capacity?
(Rotary International.—ed.)
 
IMDb (The Internet Movie Database)
Caddyshack (1980)
Quotes

Danny Noonan: I planned to go to law school after I graduated, but it looks like my folks won’t have enough money to put me through college.
Judge Smails: Well, the world needs ditch diggers, too.
Lacey Underall: [to Danny] Nice try.
 
Google Books
Quest for Apollo
By Michael Lahey
New York, NY: DAW Books
1989
Pg. 178:
“But the world needs truckers, too.”
 
YouTube
Caddyshack- The World Need Ditch Diggers, Too
Travis Sheridan
Uploaded on Jul 25, 2011
This is why NCLB is dumb.
 
YouTube
The world needs ditch diggers too | Don Curtis | TEDxTAMU
TEDx Talks
Published on Jul 3, 2014
This talk was given at a local TEDx event, produced independently of the TED Conferences. In this exciting talk, Dr. Don Curtis explores the idea that everyone has a place in this world in “The World Needs Ditch Diggers Too”
 
Dr. Don Curtis is Assistant Dean for High Impact Programs for the College of Liberal Arts at Texas A&M University. He is also a visiting assistant professor of American History and Director of the Liberal Arts Honors Program.
 
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@No_Idteaots @Libertea2012 Who pays for “Free College”? America needs ditch diggers too.—Judge Smails
3:59 PM - 30 Apr 2015