Who said "Change is the only constant, even for gods."?

This quote is attributed to Mighty Thor.

Change is the only constant, even for gods. - Mighty Thor

"Change is the only constant, even for gods."

Mighty Thor Change

"I am the God of Thunder, and I have much to teach you about power."

"Love is the most powerful force in the universe, more potent than any weapon."

"A true warrior does not run from his fears, but faces them head-on."

"Even gods must learn to change, or become irrelevant to the world."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."