Speaking earlier this month at Hamilton College in Clinton, New York, Obama didn’t hold back when referencing the current president — his former successor.

”I have deep differences of opinion with my most immediate successor — who’s now president once again,” Obama said during his speech.

He went on to say, ”There are a host of policies that we could be discussing where I have strong opinions,” adding that he believes the government’s dedication to core values has “eroded.”

Something else that clearly doesn’t sit well with Obama is how the Trump administration is treating the prestigious Harvard University — an institution he has strong ties to, having earned his law degree from Harvard Law School.

The controversy stems