Who said "Change is the only constant in the universe."?

This quote is attributed to Amy Lowell.

Change is the only constant in the universe. - Amy Lowell

"Change is the only constant in the universe."

Amy Lowell Change

Poet Critic American 1874–1925

"Poetry is the clear expression of mixed feelings."

"All books are either dreams or swords."

"The world breaks everyone, and afterward, many are strong at the broken places."

"Beauty is something wonderful and strange that the artist brings into the world."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."