Quotes from Malcolm Turnbull

It's really corny to say, but if you are happily married and have good kids, that is about 98 per cent of what you should be seeking to achieve.

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

The question of whether or to what extent human activities are causing global warming is not a matter of ideology, let alone of belief. The issue is simply one of risk management.

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 hated. So I'm looking back on my time positively.

There is nothing more important in business or politics than a deal is a deal.

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.

You've got to remember that it's a two horse race. So when the Government is doing badly the Opposition is doing better and vice versa.

It is our job above all in politics to tackle the big issues and to explain them, and have the honesty to say to people, 'There are no easy solutions here.'

Climate change is a global problem. The planet is warming because of the growing level of greenhouse gas emissions from human activity. If this trend continues, truly catastrophic consequences are likely to ensue from rising sea levels, to reduced water availability, to more heat waves and fires.

Newspapers are busily experimenting with different models. Traditionally, and I suspect in hindsight very mistakenly, online news was free. And once given free access readers felt it was their entitlement.

People learn from failure or from lack of success.

The way to lose weight is to eat less, so I ate a lot less for a month and lost a lot of weight pretty quickly.

I've been around in public life for a long time. I think people know what I stand for. They know that I have strong convictions, committed principles and I'm prepared to stand up for them.

It's not a 24-hour news cycle, it's a 60-second news cycle now, it's instantaneous. It has never been easier to get away with telling lies. It has never been easier to get away with the glib one liner.

Governments enjoying surpluses have a very strong temptation to splash money around, and while tax cuts are always appealing, cutting taxes at the top of a boom runs the real risk of creating a structural deficit when the boom subsides.

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.

The only reason to be in politics is public service. There's no other reason. Frankly, if that's the best job you can get in terms of money, that's too bad, you know. Because frankly, it's not well paid, everyone knows that. So for most people it's a big sacrifice.

Look at countries like China, they are determined to dominate all clean technology areas, putting lots of money into wind, solar, electric vehicles and battery storage. America's political impotence, caused by their terrible partisanship, will see them left behind.

If Margaret Thatcher took climate change seriously and believed that we should take action to reduce global greenhouse emissions, then taking action and supporting and accepting the science can hardly be the mark of incipient Bolshevism.

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

The proliferation of outlets that digital technology has enabled has itself contributed to the changing nature of what we regard as 'news' and the way in which many citizens perceive politics.

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.

Do the bishops seriously imagine that legalising gay marriage will result in thousands of parties to heterosexual marriages suddenly deciding to get divorced so they can marry a person of the same sex?

Let us be honest with each other. The threat to marriage is not the gays. It is a lack of loving commitment - whether it is found in the form of neglect, indifference, cruelty or adultery, to name just a few manifestations of the loveless desert in which too many marriages come to grief.