"So he always kept his mouth shut. He kept his ears open and listened closely to whatever anyone else had to say, aiming to learn something from everything he heard. This habit eventually became a useful tool. Through this, he discovered a number of important realities, including this one: most people in the world don’t really use their brains to think. And people who don’t think are the ones who don’t listen to others."
January 1, 1970
https://en.wikiquote.org/wiki/1Q84