Former Vice President Joe Biden Joe BidenMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE on Monday gave a severe rebuke of President Trump's time in office, saying he hopes it will be the only example of such a leader when asked about the president's future legacy.

"I think it will, God willing, go down as the single exception in American history," Biden told host Stephen Colbert on "The Late Show." "I really mean it."

The former Delaware senator said that both Republicans and Democrats are now scared of the consequences of the Trump presidency, including the emboldened nationalist movement that has gained strength during his time in office.

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"How many of you are now worried about the stability of the public? How many of you are now worried about this new, phony nationalism and this 'us against them'? How many are worried about this populism that is designed to essentially undermine the essence of the Bill of Rights, which is there are certain unalienable rights that no nobody — no matter what the majority is — they cannot overrule," Biden recalled asking a Republican in California during a speaking event.

"I just think there is an attack on the system and I think people are worried," he continued, adding that this goes "beyond President Trump in my view."

Bide said that "but for 74,500 votes or thereabouts," Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE would be president and many of these issues could be put to rest.

“We’d have a good president. We’d have a president who understands the role of the presidency. She would have been somebody who would, in fact, weave that fabric.”

Biden, who has repeatedly criticized the Trump administration, has not ruled out the possibility of a 2020 presidential bid.

Since leaving the Obama White House, Biden has kept a public profile with speaking events, and his new memoir about his late son, "Promise Me, Dad," hits bookstores on Tuesday.