"It's a terrible cliche, but they are the most important thing in my life. More than any album. They're where it's at."
- The Edge, 2001, about wife Morleigh and his children
U2 had planned to release the material for No Line On The Horizon as two extended plays, titled Daylight and Darkness, but during sessions in London in 2008 decided to compile the best songs onto one album.