The bible teaches that no thief will go to heaven and such were some of us but we have been washed. How many here are still doing the deeds of a thief by robbing their employer of time on the computer with non business activities when they should be working?
But what if you have no work to do while you are "working?" In my occupation, there are may hours of inactivity, of just literally "standing around," especially when I work the night shift. If I'm at work but not doing anything work related, would killing time online still be considered thievery?