Sen. John McCain John Sidney McCainBiden's six best bets in 2016 Trump states Replacing Justice Ginsburg could depend on Arizona's next senator The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy MORE (R-Ariz.) in a new interview criticized former Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE for writing her memoir so soon after the 2016 election.

“What’s the f---ing point? Keep the fight up?” McCain asked in an interview with Esquire.

“History will judge that campaign, and it’s always a period of time before they do. You’ve got to move on. This is Hillary’s problem right now: She doesn’t have anything to do.”

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Clinton published her memoir, “What Happened,” in September, less than a year after her surprise loss to President Trump.

The former secretary of State has since taken to the speaking circuit to promote the book and reflect on the 2016 presidential race.

McCain, who lost the 2008 presidential election to then-Sen. Barack Obama Barack Hussein ObamaTwitter investigating automated image previews over apparent algorithmic bias Donald Trump delivers promise for less interventions in foreign policy Rush Limbaugh encourages Senate to skip hearings for Trump's SCOTUS nominee MORE (D-Ill.), also told Esquire that the most difficult thing to do after losing an election “is to just shut up.”

“One of the almost irresistible impulses you have when you lose is to somehow justify why you lost and how you were mistreated: ‘I did the right thing! I did!’” McCain said.

“The hardest thing to do is to just shut up.”