John Kennedy actually said...
Peace is not going to be won by merely talking about it.
Context
Rear Platform Remarks of Senator John F. Kennedy, Fresno, CA - 'Pathways to Peace' - (Advance Release Text)
09/08/1960
Rear Platform Remarks of Senator John F. Kennedy, Fresno, CA - 'Pathways to Peace' - (Advance Release Text)
09/08/1960