UN General Assembly
1968

129. In these ways southern Africa is forging ahead. We, for our part, are happy to participate in this great venture, because the increased prosperity of the region will bring, and is bringing, increased prosperity for all. Neighbouring peoples have a duty to co-operate; they have to find a formula for peaceful and amicable coexistence in order to ensure, on the regional level, the successful implementation of long-term planning and meaningful development. It is self-evident that such a formula will not be found if neighbours are preoccupied with possible differences of opinion on domestic matters. It is obvious that such a formula must be based on common interest. In southern Africa we have a multitude of problems but at the same time we have developed a successful pattern of peaceful coexistence that can make a real contribution to peace and progress in our own sub-continent and thus promote world peace.