Gary Cameron / Jim Young / Reuters

“This is an area when I can get agreement from Bernie Sanders and Mitch McConnell. That doesn’t happen that often,” Barack Obama, president of the U.S., on the nation’s growing opioid epidemic.

“If a predator came along, they’d be screwed. They seem completely fearless,” —Liana Zanette, who studies wildlife populations.

“Conditional apologies do not work well. They are the jiu-jitsu of apologies: ‘I’m sorry if you were offended, what’s wrong with you?’”Edwin Battistella, a linguist who studies apologies.

(Previous quotes from our sources here)