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.

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.

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 women ... is so important.

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.

People learn from failure or from lack of success.

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.

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