Who said "Nothing is impossible to those who will try."?

This quote is attributed to John F. Kennedy.

Nothing is impossible to those who will try. - John F. Kennedy

"Nothing is impossible to those who will try."

John F. Kennedy

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."