text: 3. In welcoming Nelson Mandela, he recalled that in 1963, .while the infamous Rivonia trial Was in progress in South Africa, the Special Committee against Apartheid had been instrumental in the adoption by the General Assembly of a resolution calling for an end to the trial and the unconditional release of all political prisoners and opponents of apartheid. Since then, countless resolutions had been adopted, countless speeches had been made -all ending with a familiar refrain calling for the release of Nelson Mandela and ail political prisoners in South Africa as well as an end to the apartheid system·. Now Nelson Mandela stood in th0ir midst, a free man. Perhaps the greatest lesSon_ fo-r the international community was that, lik'e him, it must learn the virtues Of fortitude, commitment and perseverance, From Nelson Mandela and from the independence of Namibia, the world must learn that an individual and a nation alike could make a difference to the course of history. 4. He reiterated the world body's commitment to keeping .sanctions in place until apartheid was completely eradicated, 5 •. The SECRETARY-'GENERAL said that the presence of Nelson Mandela was a landmark in the Organization's long involvement in the.struggle by the people of South Africa against the apartheid system, Indeed, his visit took place at a time when developments in South Africa were uppermost in the thoughts of the world community. He welcomed him as a champion of freedom who had inspired millions around the world. · 6, Despite the violence that had been inflicted on Nelson Mandela during his long and unjust detention, the message .he brought Was one o.f peace, justiC:e ·and the restoration of the inalienable rights .of the people of South Africa, The · statements he ·had made since his release -soundeci no note of rancour ·or vengeance. 
analysis: The text appears to be a speech or statement by the Secretary-General of the United Nations, welcoming Nelson Mandela's visit to the organization. The focus is on Mandela's struggle against apartheid and his message of peace, justice, and human rights. The text does not mention any specific economic, industrial, or environmental issues related to South Africa or Namibia.