I can't stress enough how important it is to write bad songs. There's a lot of people who don't want to finish songs because they don't think they're any good. Well they're not good enough. Write it! I want you to write me the worst songs you could possible write me because you won't write bad songs. You're thinking they're bad so you don't have to finish it. That's what I really think it is. Well it's all right. Well, how do you know? It's not done!

I hate being the heartbreaker. Hate it. If I date somebody and it doesn't work out, it's another nightmare for me.

We're supposed to lose our friends to time, at an age when we're ready to agree to the terms of having lived a long life. Not now.

Not worrying is a skill. It's a skill not breaking down every single moment.

My hits are not hits.

[on Jessica Simpson] Yeah, that girl is like crack cocaine to me. Sexually it was crazy. That's all I'll say. It was like napalm, sexual napalm.

Fathers be good to your daughters, daughters will love like you do. Girls become lovers, who turn into mothers, so mothers be good to your daughters, too.