Washington Post columnist Jennifer Rubin on Thursday ripped President TrumpDonald John TrumpSunday shows preview: Trump sells U.N. reorganizing and Kavanaugh allegations dominate Ex-Trump staffer out at CNN amid “false and defamatory accusations” Democrats opposed to Pelosi lack challenger to topple her MORE in an editorial for what she called possibly his “stupidest tweet ever.” 

“President Trump has issued shameful tweets, offensive tweets and self-serving tweets,” the “Right Turn” columnist wrote in her latest column. “Rarely, however, has he sent out a tweet that better conveys his abject ignorance about the country and economics than the tweet he posted Wednesday.” 

The conservative columnist was referring to a tweet Trump sent out Wednesday morning in which he stated the United States was “built on tariffs.” 

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"Our Country was built on Tariffs, and Tariffs are now leading us to great new Trade Deals — as opposed to the horrible and unfair Trade Deals that I inherited as your President," Trump wrote in the tweet. "Other Countries should not be allowed to come in and steal the wealth of our great U.S.A. No longer!"

Rubin, a frequent Trump critic, responded to the president’s tweet with three words: “No, no, no.” 

“Our country was founded on a principle Trump often seems unacquainted with,” Rubin wrote, before referencing one of the most famous lines in the Declaration of Independence: “We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.”                                        

“Unless Trump wants to retreat to a 1776-sized economy or relive the Great Depression (care of Smoot-Hawley) it’s best we not follow the outdated mercantilist philosophy that was supplanted fortunately by Adam SmithDavid (Adam) Adam SmithOvernight Defense: Mattis dismisses talk he may be leaving | Polish president floats 'Fort Trump' | Dem bill would ban low-yield nukes Dems introduce bill to ban low-yield nukes Dems seek ways to block Trump support for Saudi-led coalition in Yemen MORE who deplored tariffs ('extraordinary restraints upon the importation of almost all sorts of goods from those countries with which the balance of trade is supposed to be disadvantageous'),” Rubin continued.

Rubin also added that, unlike Trump, Smith knew “that a balance of trade ‘deficit’ is not disadvantage, let alone a debt to be repaid or money stolen from us.”

She went on to say that the president's “zero-sum economics is wrong” and harmful to the U.S., while also noting the number of businesses across the countries that have begun laying off employees citing the president’s tariffs on steel and aluminum, in addition to some Chinese products.

"And, finally, the notion that other countries are stealing our wealth is wrong. In fact, the opposite is true,” Rubin wrote, continuing to hammer at the president’s tweet. “We send dollars to foreign exporters, who in turn invest in America and hire our workers. They are making the United States richer.”

“It turns out a deliberately ignorant president is a menace to our democracy and economy (who knew?!),” Rubin added.

Rubin has frequently criticized the GOP and the president since Trump took office.

In May 2016, the conservative columnist published a piece addressed to the Republican Party titled "Dear GOP: I'm just not that into you."

She also said the Republican Party has become the "party of old white men” in April and accused Trump of “fomenting violence” against the press after the deadly shooting at a Maryland newsroom in June.