Who said "The only constant is change, and change is life."?

This quote is attributed to Jack London.

The only constant is change, and change is life. - Jack London

"The only constant is change, and change is life."

Jack London Change

Novelist American 1876–1916

"The proper function of man is to live, not to exist."

"I would rather be ashes than dust."

"You can't wait for inspiration. You have to go after it with a club."

"The wise man doesn't give the right answers, he possesses the right questions."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."