I get a sense that we've all been educated into one school of thought. I'm not surprised at all to find among the overwhelming majority of scientists, are people who would hold one particular view because that's all they're exposed to.

You can see now with all the assurance that people have about the overall general management of the economy, they then ask more specific questions that we are able to answer.

A matter that seems to be very clear in terms of the alternative view, is what do you expect to happen in Africa with regard to immune systems, where people are poor, subject to repeat infections and all of that. Surely you would expect their immune systems to collapse.

We do not accept that human society should be constructed on the basis of a savage principle of the survival of the fittest

We should never become despondent because the weather is bad, nor should we turn triumphalist because the sun shines.

We were asked to host the Pan African Parliament and we agreed to this.

We need to do a lot of restructuring of the existing ports, particularly Durban. The separation of oversight and regulation from operations in the port, the possibility of bringing in private investors, to put in new investment to build capacity in the port. So, the restructuring of the ports will take place like that.