Mr. Dursley stood rooted to the spot. He had been hugged by a complete stranger. He also thought he had been called a Muggle, whatever that was. He was rattled. He hurried to his car and set off for home, hoping he was imagining things, which he had never hoped before, because he didn't approve of imagination.
(Harry Potter and the Philosopher's Stone, J.K. Rowling. Time to re-read the series!)
Newton -- a man so driven by the pursuit of truth that he once shoved a blunt needle between his eye and the socket bone to study ocular anatomy and, later in life, as Master of the Mint, meted out the harshest of punishments to counterfeiters, sending more than a hundred to the gallows -- had no tolerance for false or incomplete reasoning. So he decided to set the record straight. This led him to introduce the bucket.
(The Fabric of the Cosmos, p. 26. Brian Greene.)