Who said "Change is the only constant; embrace it or be left behind."?

This quote is attributed to Sitting Bull.

Change is the only constant; embrace it or be left behind. - Sitting Bull

"Change is the only constant; embrace it or be left behind."

Sitting Bull Change

Military Chief Native American 1831–1890

"Beware of the man who does not talk, and smiles."

"I would like to die, but there is no day set for my death."

"A warrior's heart knows no fear."

"Let us put our minds together and see what life we can create for our children."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."