Quoted: The Under-the-Radar Edition

Jorge Adorno / Reuters
Editor’s Note: This article previously appeared in a different format as part of The Atlantic’s Notes section, retired in 2021.

When you don’t know what you don’t know: “[It] is too easy to say, ‘Oh, I don’t know what I’m doing. Everything is magical and I don’t understand it,’” Samuel Arbesman, who studies technology.

When what you don’t know can’t hurt you: “It’s one of the few times in medicine that it’s far more important to begin treatment and ask questions later,” Jason Persoff, a professor of medicine, on cardiac arrest.

...and when it comes back to haunt you: “What’s been going on with the presidential discourse has allowed this alligator to crawl out of the swamp. It’s been living there. We haven’t been seeing it. We haven’t been focused on it much. But now it’s back,” Caroline Fayard, who is running for U.S. senator in Louisiana, on her opponent, white supremacist David Duke.