"For Love should make a churlish nature kind,

  And not transform to rude a gentle breast.

  When Tristram hence was gone, not long behind

  Remained the enamoured prince who changed his rest:

  But first he to a cavalier consigned

  The tower; whereof that baron he possest,

  On pact, that he and his in the domain

  Henceforth this usage ever should maintain;