There is danger in reckless change, but greater danger in blind conservatism.

With me a change of trouble is as good as a vacation.

I wouldn't change Buffy for anything and I wouldn't change the course in which she has evolved but it is nice to be able to do something that is a little different.

Music can't change the world.

I think we're not going to preserve Fannie and Freddie in anything like their current form. We're going to have to bring fundamental change to that market.

I have to change a lot of things before I become a good marathon runner.

We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction.

This is a fantastic time to be entering the business world, because business is going to change more in the next 10 years than it has in the last 50.

People always fear change. People feared electricity when it was invented, didn't they? People feared coal, they feared gas-powered engines... There will always be ignorance, and ignorance leads to fear. But with time, people will come to accept their silicon masters.

There is no reason for anyone in this country, anyone except a police officer or a military person, to buy, to own, to have, to use a handgun... and the only way to do that is to change the Constitution.

Look, very clearly there are things that need to be done urgently in relation to climate change, and of those the most obvious is to have an enforceable and equitable arrangement delivering deep cuts in emissions into the middle of the century.

The forces that are in play on climate change essentially revolve around the generation of power, the transportation of goods and services and people, and the sorts of materials that we use to fuel the whole of our civilisation.

It's absolutely not acceptable for people to argue that, if we are going to do anything about climate change at all, well, the responsibility lies solely with the individual.

Climate change is such a huge issue that it requires strong, concerted, consistent and enduring action by governments.

Climate change is also clearly a matter of huge interest and concern for the scientific community.