Who said "Change is the only constant."?

This quote is attributed to Oswald Spengler.

Change is the only constant. - Oswald Spengler

"Change is the only constant."

Oswald Spengler Change

Historian Philosopher German 1880–1936

"The West does not move towards its end, but it has already ended."

"Money is congealed labor."

"All profound disturbances of peace are the end of something."

"The history of a culture is the history of its ideas."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."