And being thought of by someone is evidence of the thing being true. And all these evidences are screened off by correct analysis of the thought itself.
But some thoughts are both so complex and so irrelevant that a correct analysis of the thought would cost more than an infrequent error about thoughts of this class (costs of necessary meta-analysis included).
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.