Don’t challenge me, Kenzie. I always win.

If you don't challenge yourself you'll never grow.

— Laleh Javaheri

Don't challenge someone who has nothing to loose.

— Anonymous

I never back down from a challenge or oppenent!

— Anonymous

I do not underestimate the difficulty of the challenge that global climate change presents to us. It will take a significant effort and the…

— Federico Pena

Accepting the challenges in life makes it interesting and overcoming them makes it eloquent.

— Anonymous

LMS is like PMS but totally different.

— Anonymous

Sometimes the challenge of beating the jet lag and getting a decent sleep can be as hard to solve as finding the right setup…

— Romain Grosjean

I don't know about the rest of the world, but I know in our region everyone is gunning to beat us. We have a…

— Landon Donovan

I wake up every morning fearing I am going to fail. But I love a challenge, big or small. There's so much I want…

— Michelle Mone

Our whole thing was that we wanted to challenge ourselves and go out of the box that everyone else was doing, and even what…

— B-Real

Nobody challenges me. I challenge myself.

— Shakuntala Devi

After 'Pink,' I wanted to do something that would challenge me further as an actor.

— Kirti Kulhari

Men want a challenge, but they want a challenge they can win.

— Whitney Gaskell

I personally think if something's not a challenge, there's no point doing it, because you're not gonna learn much.

— Anonymous

Politics only makes the difficult challenge of marriage even harder, with the demands of the job and the public spotlight it casts on a…

— Mark McKinnon