Who said "In adversity, we learn the true measure of our character."?

This quote is attributed to Antoninus Pius.

In adversity, we learn the true measure of our character. - Antoninus Pius

"In adversity, we learn the true measure of our character."

Antoninus Pius Courage

Emperor Ancient Rome 86–161

"It is not the man who has little who is poor, but he whose desires exceed his means."

"Do the duty that lies nearest to you."

"Time is the substance from which I am made."

"Waste no more time arguing what a good man should be. Be one."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."