Who said "We cannot change what we refuse to understand."?

This quote is attributed to Karl Popper.

We cannot change what we refuse to understand. - Karl Popper

"We cannot change what we refuse to understand."

Karl Popper Change

Philosopher Austrian-British 1902–1994

"The task is not so much to see what no one has yet seen, but to think what nobody has yet thought about that which everybody sees."

"All life is problem solving."

"Science may be described as the art of systematic over-simplification."

"The more you know, the more you realize you know nothing."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."