Ich frage mich gerade, ob ich "erwünschte Herausforderung" oder "inspirierende Herausforderung" schreiben kann.
Oder doch eher "willkommene Herausforderung"?

Also frage ich mal wieder Dr. Google.
Und finde diese 5 englischen Sprüche:

What lies behind us and what lies ahead of us are tiny matters to what lies within us.
(Ralph Waldo Emerson)

Most of the important things in the world have been accomplished by people who have kept on trying when there seemed to be no hope at all. (Dale Carnegie)

Our greatest glory is not in never falling, but in rising every time we fall. (Confucius)

The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy. (Martin Luther King, Jr.)

Promise me you’ll always remember: You’re braver than you believe, and stronger than you seem, and smarter than you think. (Christopher Robin to Pooh – A.A.Milne)