July 27, 2016 11:06 PM EDT

Democratic vice presidential nominee Tim Kaine revealed his impression of Donald Trump before a nationally televised audience on Wednesday.

Speaking at the Democratic national convention in Philadelphia, the Virginia Senator argued that Trump has no solid plans for how he would run the country.

“He never tells you how he’s going to do any of the things he says he’s going to do. He just says, ‘believe me.’” he said. “So here’s the question. Do you really believe him? Donald Trump’s whole career says you better not.”

Kaine riffed on Trump’s speaking style for a good chunk of the speech. Watch his impression in the video above.

Read More: Watch Republican Delegates Imitate Donald Trump

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