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• If we make peaceful revolution impossible, we make violent revolution inevitiable.
  - John F. Kennedy...
• Those who make peaceful revolution impossible will make violent revolution inevitable.
  -- John F. Kennedy...
• Those who make peaceful revolution impossible will make violent revolution inevitable.
  -- John F. Kennedy...
• Those who make peaceful revolution impossible will make violent revolution inevitable.
  -- John Fitzgerald Kennedy...
• Those who make peaceful revolution impossible will make violent revolution inevitable.
  -- John Fitzgerald Kennedy (1917-1963), 12 March 1962...
• We have the power to make this the best generation of mankind in the history of the world - or to make it the last.
  -- John Fitzgerald Kennedy (1917-1963)...
• If we cannot now end our differences, at least we can help make the world safe for diversity.
  -- John Fitzgerald Kennedy (1917-1963)...