Or rather, you should never trust those books and quotation websites which published quotes wrongly credited to Mark Twain.
All these erroneous resources spell unreliability and mediocrity.
Never trust a man who simply attributes quotations to me
Of course the quotation “Never trust a man who simply attributes quotations to me” is not by American author and humorist Mark Twain or his actual name Samuel Langhorne Clemens.
It is my own original quote to mock or ridicule those websites which simply published quotations without citing sources.
But sadly, the above quote attributed to Mark Twain can be found at quotation sites like: Brainy Quotes, Picture Quotes, AZ Quotes, etc.
So, please be cautious when using quotes from the many quote sites out there. Most of these sites, they do not verified their work.
Of course, there is more than one way to find authentic Mark Twain quotations.
Authentic Mark Twain Quotation Sites
Besides this blog post of verified authentic Mark Twain quotations, here are four more reliable sources:
You can find more stuff related to Mark Twain from Amazon.