Curse on his virtues! they've undone his country. Such popular humanity is treason.

-Addison,Joseph
  Cato, act 4, sc.1, l.205^6.

   But treason is not owned when 'tis descried; Successful crimes alone are justified.

-Dryden,John
  The Medal, l.207^8.

T'abhor the makers, and their laws approve, Is to hate traitors and the treason love.

-Dryden,John
  The Hind and the Panther, pt.3, l.706^7.

   The last temptation is the greatest treason: To do the right deed for the wrong reason.

-Eliot,T(homas) S(tearns)
  Murder in the Cathedral, pt.1.

Treason doth never prosper, what's the reason? For if it prosper, none dare call it treason.

-Harington, SirJohn
  Epigrams, bk.4, no.5.

Pension. Pay given to state hireling for treason to his country.

-Johnson, Samuel known as Dr Johnson
  A Dictionary of the English Language.

Music is no different from opium. Music affects the human mind in a way that makes peoplethinkof nothing but music and sensual matters† Music is a treason to the country, a treason to our youth, and we should cut out all this music and replace it with something instructive.

-Khomeini, Ayatollah Ruhollah
  Ramadan speech, 23  Jul. Quoted in Lebrecht Discord (1982).