https://marco.org/2009/03/16/he-spoke-with-the-wisdom-that-can-only-come-from
He spoke with the wisdom that can only come from experience, like a guy who went blind because he looked at a solar eclipse without one of those boxes with a pinhole in it and now goes around the country speaking at high schools about the dangers of looking at a solar eclipse without one of those boxes with a pinhole in it.
— Metaphor from a high-school English-class essay (via jours)