“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.”

“It is our job, as members of parliament, to legislate with an eye to the long term future, to look over the horizon beyond the next election and ensure that as far as we can what we do today will make Australia a better place, a safer place, for future generations to live in.”

“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.”

“To the former child migrants, who came to Australia from a home far away, led to believe this land would be a new beginning, when only to find it was not a beginning, but an end, an end of innocence - we apologise and we are sorry. To the mothers who lost the maternal right to love and care for their child - we apologise, and we are sorry.”

“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.”

“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 again on something else.”

“I will go to the next election saying to Australians, vote for me, vote for the Liberal Party, and I will become your PM. So I'm offering myself as the alternative PM - that's one way people describe the Leader of the Opposition - but I'm not in politics for myself to realize a personal ambition.”

“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.'”

“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.”

“My commitment to the Republican movement was pure and simply patriotism, a love of Australia... a desire or passion that all of our national symbols should be unequivocally and unambiguously Australian.”

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