Little children are ursula sex videosforced to learn to say "I'm sorry," but some presidential candidates have yet to master that lesson.

Donald Trump came under fire recently when it was discovered that his wife, Melania Trump, plagiarized parts of her speech from Michelle Obama. Not only has the Trump campaign refused to fire the speechwriter who was allegedly responsible for some of the plagiarism, the candidate has yet to apologize for the blatant error (even though the speechwriter did).

SEE ALSO: Trump's VP tweet makes history

"Good news is Melania's speech got more publicity than any in the history of politics especially if you believe that all press is good press," Donald Trump wrote in a non-apology on Twitter.

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This isn't the first time Donald Trump has failed to take responsibility for a seemingly obvious misstep. In fact, the candidate seems to have made non-apologizing a part of his political platform.

"I fully think apologizing is a great thing, but you have to be wrong … I will absolutely apologize sometime in the distant future if I'm ever wrong," Trump boasted to Jimmy Fallon in September.

Here's a highly condensed look at the more egregious things Trump has said and absolutely refused to apologize for.

1. The time he tweeted a meme from a Neo-Nazi message board.

Original image has been replaced. Credit: Mashable

On July 2, Trump tweeted the above meme, featuring a star with a strong resemblance to the star of David, the Jewish star. The meme was later traced back to 8/chan, an alt-Internet message board known for attracting Neo-Nazis and white supremacists. But instead of directly apologizing for the meme, Trump labeled it a Sheriff's star and used the infamous Frozen defense.

Where is the outrage for this Disney book? Is this the 'Star of David' also?
Dishonest media! #Frozen pic.twitter.com/4LJBpSm8xa

— Donald J. Trump (@realDonaldTrump) July 7, 2016

The original meme was pulled from a user who also belongs to the alt-right. At least he kept things consistent.

2. The other time he tweeted a Neo-Nazi.

It's impossible to do a background check on every single person you retweet. How could Trump have known that a user he retweeted by the name of @WhiteGenocideTM, who believed that America was experiencing a genocide of white people conducted by Jews and people of color? Give the guy a break!

In lieu of apologizing for the tweet, Trump went for the most sophisticated alternative: he deleted it.

3. The other other time he retweeted a Neo-Nazi.

Trump seems to have a lot of affection for his Twitter fan, @WhiteGenocideTM. After retweeting this image of a homeless Jeb Bush from a Twitter user whose profile literally reads "Jewmerica," Trump neither apologized nor took it down.

"@WhiteGenocideTM: @realDonaldTrump Poor Jeb. I could've sworn I saw him outside Trump Tower the other day! pic.twitter.com/e5uLRubqla"

— Donald J. Trump (@realDonaldTrump) January 22, 2016

It was only a simple retweet, sent to his 9.92 million followers.

4. When he accused decorated war veteran John McCain of not being a "war hero" because he was captured.

Original image has been replaced. Credit: Mashable

"He’s not a war hero,” Trump said at the Family Leadership Summit in July 2015. “He was a war hero because he was captured. I like people who weren’t captured."

McCain spent five and half years in a notorious Vietnamese prison, where he was repeatedly tortured. Trump himself never served in the military.

At a press ceremony following the event, Trump refused to apologize for his words but instead directly reversed them.

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"If somebody’s a prisoner, I consider them a war hero," Trump said.

OK.

5. When he apologized for calling Megyn Kelly a bimbo by calling her a bimbo again.

Last summer, Trump drew criticism after he retweeted two tweets that called Kelly a bimbo. Kelly had confronted Trump about his past disparaging remarks towards women during a televised debate.

In January, Trump issued this passive aggressive non-apology:

I refuse to call Megyn Kelly a bimbo, because that would not be politically correct. Instead I will only call her a lightweight reporter!

— Donald J. Trump (@realDonaldTrump) January 27, 2016

6. The time he accused Jeb Bush of making immigration policy decisions based on his wife's Colombian heritage.

"To subject my wife into the middle of a raucous political conversation was completely inappropriate, and I hope you apologize for that, Donald," Bush said during the September 17th, 2015 debate, before asking Trump to apologize directly to his wife.

In lieu of apologizing, however, Trump threw her a bone of a compliment and stood by his words.

"No, I won't do that, because I've said nothing wrong," Trump said.

Case never closed.

7. Or when he made fun of Bush's mom.

Original image has been replaced. Credit: Mashable

When Jeb Bush decided to bring his mother on the campaign trail, Trump mocked him for needing the help of his "mommy."

"And then you wonder why they booed me when I attacked poor, poor, poor Jeb Bush who brings out his mother because he needed help," Trump said during a campaign rally.

"Mommy please come — walk in the snow, mom," he added imitating Bush.

Trump never apologized to Bush. Needless to say, Mommy was not pleased.

8. He even attacked Jeb's brother.

Trump accused George W. Bush of lying about weapons of mass destruction and of failing to prevent the September 11th attacks.

Jeb Bush's family can do no right in Trump's eyes.

9. When he mocked a reporter who has a disability.

Via Giphy

In November, Trump mocked reporter Serge Kovaleski by imitating some of his more obvious mannerisms and twitches. Trump moved his hands in a way that closely mirrored some of of Kovaleski's own gesticulating.

Instead of apologizing for his remarks, Trump denied that he was mocking him, accused the reporter of using his disability to "grandstand" and asked The New York Times to apologize for making the allegation.

Donald Trump, presidential candidate and media victim.

10. When he made fun of Carly Fiorina's face

In a Rolling Stoneprofile published in September, Trump said of Fiorina,

"Look at that face! Would anyone vote for that?" Trump said. "Can you imagine that, the face of our next president? I mean, she's a woman, and I'm not s'posedta say bad things, but really, folks, come on. Are we serious?"

Trump has yet to apologize to Fiorina, at least not to her face.

11. For forcing us all to read to the bottom of this list.

Via Giphy

Trump's outlandish statements and lack of regret have generated endless shame and an 1,000 word plus list.

If you're still reading this list, thank you -- and we apologize for nothing.

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