I never, even for a moment, doubted what they’d told me. This is why it is that adults and even parents can, unwittingly, be cruel: they cannot imagine doubt’s complete absence. They have forgotten.
Stated as an English sentence, of course, this is just a banal platitude-but the fact is that, in the day-to-day trenches of adult existence, banal platitudes can have life-or-death importance. That may sound like hyperbole, or abstract nonsense.