"We should recognise the importance of cities for growth, for jobs, for prosperity and we should allow people to exercise choice and move to cities to take advantage of the incredible opportunities that they provide. Phenomenal things have happened when humanity has worked together in cities. Our ability to solve problems collectively is simply incredible. That will not change. That is not going to go away. And as such I cannot but have a tremendous amount of hope that, in fact, South Africa will continue to grow, will continue to be a better place because of the magical things that happen in cities like Johannesburg."