“On Monday mornings I am dedicated to the proposition that all men are created jerks”

American journalist and humorist H. Allen Smith (1907-1976) wrote in the book Let the Crabgrass Grow (1960):
 
“On Monday mornings I am dedicated to the proposition that all men are created jerks.”
 
The saying has been included in many collections of quotations about Mondays and has been printed on many images.
 
 
Wikipedia: H. Allen Smith
Harry Allen Wolfgang Smith (December 19, 1907—February 24, 1976) was an American journalist and humorist whose books were popular in the 1940s and 1950s, selling millions of copies.
 
Google Books
Let the Crabgrass Grow
By H. Allen Smith
New York, NY: B. Geis Associates: Distributed by Random House
1960
Pg. 197:
On Monday mornings I am dedicated to the proposition that all men are created jerks. —Sayings of Avery
(Avery is Smith’s neighbor, and is possibly fictional.—ed.)
 
Google Books
The Official Rules and Explanations:
The Original Guide to Surviving the Electronic Age with Wit, Wisdom, and Laughter

By Paul Dickson
Federal Street Press
1999
Pg. 6:
(2) On Monday mornings I am dedicated to the proposition that all men are created jerks.
(Credited to H. Allen Smith.—ed.)
 
Bustle
9 Monday Quotes That Confirm It Really Is The Worst Day Of The Week
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(...)
2. “On Monday mornings I am dedicated to the proposition that all men are created jerks.” — H. Allen Smith
 
Curated Quotes
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On Monday mornings I am dedicated to the proposition that all men are created jerks.
-H. Allen Smith
 
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“On Monday mornings I am dedicated to the proposition that all men are created jerks.H.” »  Allen Smith
 
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“On Monday mornings I am dedicated to the proposition that all men are created jerks.” – H. Allen Smith
     
Buzzle
40 Oh-so-relatable Quotes About Getting the Monday Blues
Neha B Deshpande Last Updated: August 7, 2016
(...)
“On Monday mornings I am dedicated to the proposition that all men are created jerks.”
― H. Allen Smith
 
Catch Quotes
Top 48 funny and inspirational monday quotes and sayings with images
admin February 10, 2017
(...)
37. “On Monday mornings I am dedicated to the proposition that all men are created jerks.” ― H. Allen Smith,monday quotes
 
Twitter
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@GrabQuotes
On Monday mornings I am dedicated to the proposition that all men are created jerks. #mondaymotivation
9:18 AM - 24 Apr 2017