Jobs insisted that Apple focus on just two or three priorities at a time. “There is no one better at turning off the noise that is going on around him,” Cook said. “That allows him to focus on a few things and say no to many things. Few people are really good at that.
Walter Isaacson (2011). “Walter Isaacson Great Innovators e-book boxed set: Steve Jobs, Benjamin Franklin, Einstein”, p.568, Simon and Schuster
