"Madam Secretary, that is a low blow." — Bernie Sanders to Hillary Clinton as the former secretary of state accused the Vermont senator of diminishing President Barack Obama's record and short-changing his leadership during the latest Democratic debate.
"Until this moment, we had our eyes on the sky and we couldn't hear the music. The skies will never be the same." — Columbia University astrophysicist Szabolcs Marka after scientists announced they've detected gravitational waves in audio form, meaning astronomers will now be able to hear violent collisions in the universe.
"I just posted hallelujah on my Facebook. And I think that says it all. I am so glad this is over." — Julie Weikel, who lives next to the Malheur National Wildlife Refuge in Oregon, after armed occupiers ended a 41-day standoff with federal agents without incident.