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

This quote is attributed to Thena.

Change is the only constant, even for the eternal. - Thena

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

Thena Change

"We have walked this Earth for thousands of years, watching civilizations rise and fall."

"My memories are both a gift and a curse that I carry."

"Violence is sometimes necessary, but it should never be our first choice."

"I have learned that strength comes not from power alone, but from purpose."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."