Who said "Change is the only constant in the river of existence."?

This quote is attributed to Christina Rossetti.

Change is the only constant in the river of existence. - Christina Rossetti

"Change is the only constant in the river of existence."

Christina Rossetti Change

Poet English 1830–1894

"For there is no friend like a sister in calm or stormy weather."

"Better by far you should forget and smile than that you should remember and be sad."

"Oh, to be worn out by the world, to be cast aside and forgotten."

"Love will make a way out of no way."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."