UN General Assembly
1967

100. A second important reason for the inability of this Organization to contribute constructively to a solution in Viet-Nam is that the great Powers are divided on the causes of the conflict and on the measures required to terminate it. As we all know, the Security Council can function effectively only if its members will unite their strength to maintain international peace and security, as the Charter indeed calls upon them to do. And I can see no immediate prospect of that unity being found.