I do not believe we can effectively move Australia to a lower emission economy, which is what we need to do if we're going to make a contribution to a global reduction in greenhouse gases, without putting a price on carbon.

Gone are the days when your indiscretions at university were recorded in a roneoed college newsletter of which there is only one copy left tucked in a filing cabinet at the back of a library. Today that same college newsletter is online, accessible by the whole world now and forever.

Americans understand that they have no stronger ally, no better friend, than Australia.

There is a tendency to try to dumb everything down and turn everything into a one-paragraph press release or even less, just a slogan.

In terms of our region, what we need to ensure is that the rise of China [is] conducted in a manner that does not disturb the security and the relative harmony of the region upon which China's prosperity depends. Now - now, that requires careful diplomacy, it requires balancing.

Government will not nominate the former Labor prime minister [Kevin Rudd] to be the UN's next secretary-general.

I have always been generous because I know that I have done well in life and I believe it is part of my duty to give back. So I am always been philanthropic.