UN General Assembly
1972

110. A document of universal legal validity such as the one Mexico has suggested to the community of nations will test the readiness of the powerful countries to put into practice true international solidarity which, resting on the principles of the sovereign equality of States, non-intervention and the self-determination of peoples, and governed by binding legal rules, could become the best instrument to achieve and consolidate stable and lasting peace. 111. As we have already stated, neither man nor the State can live alone.