Among the smaller islands there is one of fair size that is now called the Isle of Man† There was a great controversy in antiquity concerning the question: to which of the two countries should the island properly belong? Eventually, however, the matter was settled. All agreed that since it allowed poisonous reptiles to live in it, it should belong to Britain.

-Gerald of Wales also called Giraldus Cambrensis
  The History and Topography of Ireland, pt.2 (translated by John  J O'Meara,1951).

He felt the loyalty we all feel to unhappinessöthe sense that that is where we really belong.

-Greene, (Henry) Graham
  The Heart of the Matter, bk.2, pt.2, ch.1, i.

To betray, you must first belong.

-Philby, Kim
  In the SundayTimes,17 Dec.

You have played out your role.Go where you belong: to the dustheap of history.

-Trotsky, Leon originally Lev Davidovich Bronstein
  To the Mensheviks, at the first Congress of Soviets following the October Revolution. Quoted in A J P Taylor From the BoerWar to the ColdWar: Essays onTwentieth-Century Europe (1995), p.271.