Republican presidential front-runner Donald Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE is sending a warning to GOP leaders about his dominance in the polls: “You’ve got to get used to it.”

During an interview with Fox News’s Chris Wallace Christopher (Chris) WallaceNearly 40 Democratic senators call for climate change questions in debates Webb: Political Reality Check The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November MORE, the billionaire said Republicans are “kidding themselves” if they think he won’t secure the GOP nomination.

ADVERTISEMENT

“I say, folks, you know, I’m sorry I did this to you, but you’ve got to get used to it,” Trump said. “It’s one of those little problems in life.”

“I’m going to win. ... You know, I’m not one of these other guys that goes down. I don’t go down. I go up.”

Trump’s interview with Wallace is set to air Sunday at 6 p.m.