https://www.theatlantic.com/politics/archive/2020/11/trump-bannon-election-party/617020/

«When a true believer is faced with “undeniable evidence” that what he believes is wrong, he “will frequently emerge, not only unshaken, but even more convinced of the truth of his beliefs than ever before. Indeed, he may even show a new fervor about convincing and converting other people to his view.”»