If the market is left to sort matters out, social injustice will be heightened and suffering in the community will grow with the neglect the market fosters.

Adopting and promoting sustainable production practices require concerted effort, something which in practice is too often missing or insufficient. Making this shift at the scale required demands forward-looking leadership in the public and private sectors alike.

Never look back. Move on. Aim high. Etc.

In terms of protecting ourselves, the main issues are around how do we protect our borders [from illegal migrants and livestock and plant diseases], how do we protect our fisheries?

New Zealand and SA should take this dimension into account, the skills South Africans are presently contributing to New Zealand.

If you neglect those who are currently poor and stable, you may create more poor and unstable people. There has been a tremendous concentration of donor interest in countries that are seen as particularly fragile - but it becomes harder to mobilise money for sub-Saharan, plain poor countries.

We just sent our condolences to the President of the United States and the American people on what is a terrible, terrible tragedy.