Thomas R. Ybarra? Contributor to Life Magazine? Victor L. Berger? Anonymous?
Those who repent on Sunday,
For what they did on Saturday,
And plan to do again on Monday.
I have been unable to determine who first said this. Would you please help?
Quote Investigator: The earliest close match located by QI was printed in the humor magazine “Life” in 1905, and the author was unidentified: 1905 December 14, Life, Volume 46, Number 1207, A Definition, Quote Page 746, Column 2, Life Publishing Company, New York. (Google Books Full View) link
A Christian is a man who feels
Repentance on a Sunday
For what he has done on Saturday,
And is going to do on Monday.
This theme has a long history and QI conjectures that the above verse was inspired directly or indirectly by lines in a poem published in the eighteenth century. Details are given below.
Here are additional selected citations in chronological order.