In economics, one of the most important concepts is 'opportunity cost' - the idea that once you spend your money on something, you can't spend it aga….

Greece is an extreme case: a country where both the level of spending and the level of taxation were unsustainable!.

While our energy efficiency is improving, there is a very high correlation, almost near perfect correlation, between GDP growth, and energy usage..

We learn from every natural disaster. Whether it's a fire or a flood, we learn something from it so we can respond to the next one better..

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….

You will never find a better friend to the United States than Australia..

What you've got to do is recognize that you don't control everything for a start, you've got to play the cards you're dealt, the hand of cards you're….

you cannot maintain popular support for immigration policy, multiculturalism, unless you can control your borders..

There's the occasion when politicians will say things that are simply not true, or that they make commitments that they have no intention of fulfilli….

What every prime minister struggles with and every leader struggles with is how to balance the two objectives; firstly that of ensuring that all asyl….

Anyone who thinks it's smart to cut immigration is sentencing Australia to poverty..

But who knows, some years from now if there's a global emissions trading scheme agreement, as many have hoped for, then I'm sure Australia would be p….

On balance, after weighing the arguments, I believe that the time has come for Australia to create a new sovereign wealth fund..

It is unmanly. It is not some expression of macho virtue. It is the absolute antithesis of this. Real men don't bully women and children. Respect for….

This is a very tough business, politics. It's easy to get resentful or full of bitterness ... (but) I think hatred hurts the hater more than the hate….

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 cr….

Honest people, knowledgeable people, really well-informed people can have very different views about what the right measures are on national security..

China and India will take the global leadership on climate change: they are suffering for it..

Everything we do as a government is focused on getting help and support for hard-working Australian families. We are standing up for them..

I don't find myself in moral turmoil. I'm not given to turmoil of any kind..