Eric Trump said it took "courage" for his father, Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE, to refrain from going after 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's husband during Monday's presidential debate.

"Maybe I'll tell you at the next debate. We'll see," Trump said.

Donald Trump told CNN after the debate that he chose not to bring up's past "indiscretions" out of respect for the former president's daughter.

"He said it when he came off the debate stage, ‘I wasn’t gonna respond to that question because I saw Chelsea in the front row and I just wasn’t gonna go there out of respect for her,'" Eric Trump said of the Clintons' daughter.

"It would have been very easy for him to take the bait, especially with that last question when they asked about sexism and other things," Eric Trump said Tuesday in a radio interview with Simon Conway in Iowa highlighted by BuzzFeed . The interview followed the first bout between Republican nominee Donald Trump and Democratic nominee Hillary Clinton.

“That was a big moment for me," Eric Trump said later, describing the decision as "probably something I'll always remember."

"He really took the high ground where he had the opportunity to go very, very low. And I’m proud of him for doing that," he continued.

“I think that took a lot of courage in so many regards, and I think he really answered that well and took the high ground and kept the high road.”