Michelle Obama Michelle LeVaughn Robinson ObamaNational Urban League, BET launch National Black Voter Day The Hill's Morning Report - Sponsored by The Air Line Pilots Association - White House moves closer to Pelosi on virus relief bill The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE says people shouldn't tweet everything that pops into their heads because “most of your first initial thoughts are not worthy of the light of day.”

“This whole ‘tell it like it is’ business — that’s nonsense,” the former first lady said in a Wednesday chat with poet Elizabeth Alexander at the Obama Foundation Summit in Chicago.

“You don’t tweet every thought,” Obama advised before adding with a smile, “And I’m not talking about anybody in particular. I’m talking about us all, because everybody does that.”

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President Trump, known for his frequent use of Twitter, has credited the platform with helping get him elected.

“Without the tweets, I wouldn’t be here,” he told the Financial Times in April.

“Tweeting and social media, that is a powerful weapon that we just hand over to little kids,” Obama, 53, told the audience. “You know, a 10-year-old, ‘Here you go, tell it like it is.’ It’s like, no you don’t,” she continued.

“You need to think, and spell it right, and have good grammar, too,” Obama said to laughs.

Obama said that as a first lady, “Every word you utter has consequences. Words matter at this level.”

“You’re careful with your words. You’re careful with how you debate," she said. "And I think when you’re the first lady or the president, the commander in chief, and you have that voice, and that power, and that platform, I think what comes with that is the responsibility to know that every word you utter has consequences.”

“You can’t just slash and burn up folks just because you think you’re right,” Obama said. “You have to treat people as if they are precious, all of them, even the people you don’t agree with.”