If it doesn't challenge you, it won't change you!

Looking away is submissive. Looking [..] in the eye is a challenge.

Woman must not accept she must challenge.

Challenges and opportunities. It feels good doing the impossible.

Art challenges technology, but technology inspires the art.

Staying consistent with positive habits can be a challenge.

“Physics is the only thing that can challenge the God.”

“CHALLENGE YOURSELF TO LIVE LIFE TO THE FULLEST AND ACCEPT IT.”

No one ever said your life would be easy. The nature of being human makes life for all of us a challenge. The most important thing to consider here is this. Your life is only as challenging as you think it is. Think of challenge as a teacher and yourself the student. It's up to you to figure out what the lesson is to be learned. To learn that lesson and build the strength and courage to face other challenges….

“Those guys have won (a lot of) games and they're extremely well-coached. We look forward to the challenge, and it's going to be a challenging game I'm sure.”