My fellow Americans, ask not what your country can do for you, ask what you can do for your country.

A nation which has forgotten the quality of courage which in the past has been brought to public life is not as likely to insist upon or regard that quality in its chosen leaders today - and in fact we have forgotten.

The world was not meant to be a prison in which man awaits his execution.

To those whom much is given, much is expected.

Only in the case of the Negro has the melting pot failed to bring a minority into the full stream of American life.

According to the ancient Chinese proverb, A journey of a thousand miles must begin with a single step.

A country is as strong, really, as its citizens. And I think that mental and physical health - mental and physical vigor - go hand in hand.