"We need to recognise that the whole edifice of our fifth estate, of our journalism, has been built on a foundation of newspaper journalism and that that foundation is crumbling. The management of the media companies will deny that the end is nigh. I hope they are right."

"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."

"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."

"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."

"There is only one kind of freedom and that's individual liberty. Our lives come from our creator and our liberty comes from our creator. It has nothing to do with government granting it."

"Early college high schools in North Carolina and across the country show us that challenge - not remediation - is an approach to education that works."

"I have long believed taxpayers make better use of their money than the government ever could."

"War is the domain of physical exertion and suffering."