You mean, like every Bayesian believes their prior is correct?
Prior can't be judged. It's not assumed to be "correct". It's just the way you happen to process new info and make decisions, and there is no procedure to change the way it is from inside the system.
This is our monthly thread for collecting these little gems and pearls of wisdom, rationality-related quotes you've seen recently, or had stored in your quotesfile for ages, and which might be handy to link to in one of our discussions.