Former Vice President Joe Biden condemned President Trump’s rhetoric about North Korean leader Kim Jong Un, and said Trump’s comments about the dictator are “beneath the office” of the presidency and set a poor example for children.

“We are admired not just for the exercise of our power, but for the power of our example, and it matters the way we conduct our discourse,” Biden said during an interview with “Today” on Monday. “It matters the way in which we talk. It matters the language ... people are listening. Our leaders have impact on attitudes. I think it’s a big mistake and it’s beneath the office.”

Trump and Kim traded insults over the weekend as Trump headed into the second half of his 13-day trip through Asia. North Korea’s foreign ministry called Trump a “warmonger” and “dotard” in a statement Saturday, which caused the president to fire back on Twitter.

“Why would Kim Jong-un insult me by calling me ‘old,’ when I would NEVER call him ‘short and fat?’ Oh well, I try so hard to be his friend - and maybe someday that will happen!” Trump tweeted Saturday.

When asked about the president’s comments, Biden said Trump fails to represent the presidency with dignity.

“When your children hear a president referring to anybody that way, I mean our children are listening. These things matter, and it’s just not an appropriate way,” he said. “Every president I’ve known, and I’ve known eight, they understand there’s an obligation in the sense of dignity about the office.”