Edmund Burke (12 January 1729 – 9 July 1797) was an Irish statesman, author, orator, political theorist and philosopher, who, after moving to England, served for many years in the House of Commons of Great Britain as a member of the Whigs and was famous for his speeches in the impeachment of Warren Hastings (see: http://en.wikipedia.org/wiki/Edmund_Burke ).
Edmund Burke on the need for good men to combine in the face of evil (1770) : "When bad men combine, the good must associate; else they will fall, one by one, an unpitied sacrifice in a contemptible struggle” [1, 2].
Edmund Burke on evil and silence (apocryphal attribution): “The only thing necessary for the triumph of evil is for good men to do nothing.” [1].
[1]. Edmund Burke quoted in “Edmund Burke”, Wikipedia: . http://en.wikipedia.org/wiki/Edmund_Burke .
[2]. Edmund Burke “Thoughts on the Cause of the Present Discontents” (1770).