Date: September 2, 2011

"The disasters reveal a limitation of the muscle metaphor: certain evolutionarily prepared drives seem to withstand even the most bulked-up powers of will."

— Pinker, Steven (b. 1954)

Date: April 18, 2016

"We begin to esteem this way of being at its true worth when we realize that the creators of the brain food that we're wolfing down are at least as involved in it, at the level of imagination, as we are."

— James, Clive (b. 1939)