Just a day after telling Director of National Intelligence Dan Coats to “go back to school” when he contradicted President Trump’s claims about North Korea denuclearization and Iran, Trump insisted that he was right.

“Time will prove me right, probably,” he said Thursday when asked if he still had confidence in his intelligence chiefs.

Coats told Congress on Wednesday that it was unlikely that North Korea would fully denuclearize, countering Trump’s claims that the regime’s leader was committed to dismantling its arsenal. Trump lashed out on Twitter about his own intelligence chief’s assessment of North Korea as well as the Iran nuclear deal.

“The intelligence people seem to be extremely passive and naive when it comes to the dangers of Iran,” Trump tweeted. “They are wrong!”