You feel this pressure that people will take you more seriously if you play guitar, but I've decided I'm a singer and that's enough.

It's much easier to write when you're sad. But you can end up isolated and depressed because you almost need to put yourself in that situation to have that angst to write from.

Ignore reality, there's nothing you can do about it.

Happy songs are very difficult to write. How many truly great upbeat songs are there?

I can understand why some people might look at me and say, 'What's she got to be depressed about?' I get that a lot in Britain, where mental health issues seem to be a big taboo.

I'm such a chameleon. I never get bored.

Saving animals is as simple as choosing synthetic alternatives instead of real fur.

If I start feeling down I'll gorge myself on pasta. That usually does the trick. It's the Italian blood in me.

Enjoy every moment: you never know when things might change.

It was only cool to have blond hair and be a surfer chick [in Sydney]. I could learn how to surf, but I still looked Italian. It took me a long time to realize that was a good thing.

Isolation is a big part of songwriting.

Please write an ending where the Martians are defeated. Don't take away your readers' hope.

Those who are great know a secret that the remaining lot do not know.

Advanced engineering always, like advanced everything else, brings down upon it the discredit of ridicule of minds who cannot see so far.

If it's on Facebook, it all looks the same.

By the way, sitting with other mommies is probably the most frightening experience in the entire world. They're serious into mommy-shaming.

Often small acts of service are all that is required to lift and bless another.

If you are not moving forward, the world is passing you by.

It is better to arouse envy than pity.

I don't like talking about myself, if I'm honest.

It's beyond imagination until you actually get up and see it and experience it and feel it.