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

“Like math and reading, like science, social studies, and the arts, diversity is no longer a luxury,” John King, the U.S. education secretary.

“There’s a very narrow doorway through which big ideas get to audiences,” Chris Jackson, editor-in-chief of Random House’s One World imprint.

People are on their best behavior when they think this relationship will be a happy one in the future,” Edward Lemay, a professor of psychology.

(Previous quotes from our sources here)