“One look at an email can rob you of 15 minutes of focus. One call on your cell phone, one tweet, one instant message can destroy your schedule, forcing you to move meetings, or blow off really important things, like love, and friendship.”

“Seven is more than a lucky number or a famous baseball player's uniform. It's the brain's natural shepherd, herding vast amounts of information into manageable chunks.”

“One look at an email can rob you of 15 minutes of focus. One call on your cell phone, one tweet, one instant message can destroy your schedule, forcing you to move meetings, or blow off really important things, like love, and friendship.”