A single economy makes the constant adjustments necessary to facilitate trade impossible.
Vladimir BukovskyIt is by attempting to reach the top in a single leap that so much misery is produced in the world.
William CobbettWindows favors multi-threading, which means that a service is implemented by one single process.
Wietse VenemaI've worked hard, every single day since I left school. I think I have a Protestant work ethic.
Elvis Costello