Who said "Progress is a nice word. But change is its motivator."?

This quote is attributed to John F. Kennedy.

Progress is a nice word. But change is its motivator. - John F. Kennedy

"Progress is a nice word. But change is its motivator."

John F. Kennedy Change

U.S. President American 1917–1963

"Ask not what your country can do for you – ask what you can do for your country."

"The only thing we have to fear is fear itself."

"Change is the law of life."

"Effort and courage are not enough without purpose and direction."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."