President Joe Biden's private remarks about former President Donald Trump have pierced the usual veneer of civility, revealing a depth of personal animus between the two leaders. According to multiple sources familiar with the matter, Biden has not minced words when discussing Trump, resorting to decidedly undiplomatic language that underscores the bitter rivalry that continues to shape the American political landscape.

Reports from Politico, substantiated by three individuals privy to Biden's private conversations, indicate that the President has on several occasions referred to Trump in terms that are starkly derogatory. "The president has described Trump to longtime friends and close aides as a 'sick f---' who delights in others' misfortunes," one source relayed, capturing the essence of Biden's disdain. This sentiment was further encapsulated in a direct quote from Biden, as recounted by another source: "What a f------- a------ the guy is."

The acrimony was palpable during a public address Biden delivered in Pennsylvania last month, where he reacted with visible astonishment to Trump's seemingly cavalier attitude towards the violent assault on Paul Pelosi, husband of Nancy Pelosi. Mid-sentence, Biden checked himself from completing a potentially disparaging remark about Trump, instead leaving his sentence hanging with "What a sick-", a moment that spoke volumes about his struggle to maintain public composure in the face of personal revulsion.

In retaliation, Trump's camp lambasted Biden, framing his remarks as unbecoming of the presidency. "It's a shame that Crooked Joe Biden disrespects the presidency both publicly and privately," Chris LaCivita, a campaign adviser for Trump, told Politico, critiquing Biden's approach to both his political adversaries and the electorate at large through his policies.

The exchange of vitriol comes as both Biden and Trump position themselves for another potential electoral showdown, with each camp trading blows over policy and personal integrity. Biden, speaking at a fundraiser, derided Trump as a "loser," questioning how a former president could harbor ill wishes for the nation's economy. Trump's spokesperson, Steven Cheung, countered by reminiscing about the perceived prosperity under Trump's administration and disparaging Biden's chances in pivotal states like Florida.

Beyond the public sphere, Biden's propensity for unguarded language is well-documented, with instances of him expressing frustration in colorful terms to aides over unanswered queries or unsatisfactory responses. Reports from Axios last year shed light on Biden's behind-the-scenes exasperation, revealing a side of the President that contrasts with his public persona, which typically embodies restraint and a call for unity.

As the political drama unfolds, the starkly candid nature of Biden's remarks about Trump not only lays bare the personal friction between two of America's most prominent political figures but also signals the enduringly divisive nature of the nation's political discourse. With the specter of another Biden-Trump electoral contest on the horizon, the dynamics of their rivalry and the language it engenders continue to captivate and polarize the American public.