I could go off into the wilderness and write fantasy novels for the rest of my life and probably be happy; but I always want to challenge myself.
I want to stretch myself as an actor.
I really started writing music to challenge myself, to see what I could write.
When work starts feeling too comfortable, fire yourself; go get another job.
It's important to me to keep testing myself in life so that I don't get pigeonholed.
It's important to keep reinventing yourself, and I want to challenge myself at every age.
I think in life we want to challenge ourselves.
I always challenge myself to do something better, and people in the industry appreciate that.
In fact, most artists want to make things a bit more difficult for themselves as they go along, to challenge themselves.
Creatively I just enjoy challenging myself in different genres.
Our intent with Led Zeppelin was not to get caught up in the singles' market, but to make albums where you could really flex your muscles - your musical intellect, if you like - and challenge yourself.
I like to challenge myself and I like to try new things.
I want to risk hitting my head on the ceiling of my talent. I want to really test it out and say: O.K., you're not that good. You just reached the level here. I don't ever want to fail, but I want to risk failure every time out of the gate.
If you put yourself in a position where you have to stretch outside your comfort zone, then you are forced to expand your consciousness.
I like putting myself in uncomfortable situations.
Never not dare to hang yourself. That's the only way you grow in your profession. You must continually attempt things that you think are beyond you, or you get into a complete rut.
I'm always nudging myself into discomfort zones as much as I can.
I like to set myself a new adventure challenge at least once or twice a year because I love that side of my life. I love getting fit and training for it.