The harder the challenge, the bigger the reward.

The greater the reward, the harder the work required to get it.

There are no problems, only teachers (people, places, and things) that challenge us to be all we can be.

Life's challenges are the wrapping paper enclosing the gift of growth.

Life is full of challenges, or another way of saying it, life is full of growth opportunities.

Challenges prepare me for dealing with challenges.