Australia would play its role in taking displaced people from the Syrian conflict.

I want to see an end to sovereign risk questions over Australia.

I was a very senior minister in the Howard government and I sat around this particular table [in the prime ministerial office] in many discussions. The difference between being a senior minister and the prime minister is that ultimately the buck does stop with the prime minister and in the end the prime minister has to make those critical judgement calls and that's the big difference.

I want to be a very good friend to Indonesia, but there are some things which are non-negotiable. Border protection is just non-negotiable. Maintaining a strong security network is just non-negotiable. I think the Indonesians understand that.

We've got to get the system right. That's why we've got this root-and-branch reform under way.

I think that marriage is, dare I say it, between a man and a woman, hopefully for life and there are all sorts of other relationships which should be acknowledged and recognised, but I don't know that they can be recognised as marriage.

Well, I'm not saying that an emissions tax is ever going to be good policy.