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.

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.

Broadcasters or politicians or writers who think that they are respecting Struggle Street, the battlers, by dumbing things down into one-line sound bites are not respecting them, they are treating them with contempt. It's our job above all in politics to tackle the big issues and to explain them.

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.

When politicians offer you something for nothing, or something that sounds too good to be true, it's always worth taking a careful second look.

Many Liberals are rightly dismayed that on this vital issue of climate change we are not simply without a policy, without any prospect of having a credible policy but we are now without integrity. We have given our opponents the irrefutable, undeniable evidence that we cannot be trusted.

If you try to come to Australia by boat, even if we think you are the best person in the world, even if you are a Nobel Prize winning genius, we will not let you in.