" But if people are smarter,” began Sheila, “they’ll know enough to—”
“Sorry, no.” Mandelbaum shook his head. “Basic personality does not change, right? And intelligent people have always done some pretty stupid or evil things from time to time, just like everybody else. A man might be a brilliant scientist, let’s say, but that doesn’t stop him from neglecting his health or from driving recklessly or patronizing spiritualists or—”
“Or voting Democrat,” nodded Lewis, grinning. “That’s correct, Felix. Eventually, no doubt, increased intelligence would affect the total personality, but right now you’re not removing anyone’s weaknesses, ignorances, prejudices, blind spots, or ambitions; you’re just giving him more power, of energy and intelligence, to indulge them—which is one reason why civilization is cracking up. "

― Poul Anderson , Brain Wave