Harry Truman actually said...
In times such as these, the parties to labor disputes owe it to the American people to make every effort to reach a settlement through collective bargaining and, that failing, to cooperate with their Government in maintaining or restoring production while their dispute is before the Board.
Context
Letter to the Chairman, Wage Stabilization Board, on the Settlement of a Labor Dispute Affecting the Production of Copper.
10/25/1951