Thomas Bernhard said this quote

The facts are always frightening, and in all of us fear of the facts is constantly at work, constantly being fuelled; but this morbid fear must not lead us to conceal the facts and so to falsify the whole of human history -- which is of course part of natural history -- and pass it on in falsified form just because it is customary to do so, when we know that all history is falsified and always transmitted in falsified form.