"In a world full of distractions, getting your brain to focus on one thing at a time requires radical measures."

"Multitasking is the act of distracting yourself. It comes with a cost even when tasks feel related, because it requires you to switch the “mental rules of the game,” as the cognitive scientist Daniel Willingham puts it. "

"The famed investor Charlie Munger had it right when he said: “I see these people doing three things at once, and I think, God what a terrible way that is to think.”"