And so, my fellow Americans, ask not what your country can do for you -- ask what you can do for your country.As we express our gratitude, we must never forget that the highest appreciation is not to utter words, but to live by them.<span>Change is the law of life. And those who look only to the past or present are certain to miss the future.</span>
John F<span>. </span>Kennedy<span> gave an inaugural address that became one of the most famous </span>speeches<span> in American history. It shaped the ... And he ended with a line that defined a generation: "And </span>so<span>, my fellow Americans: Ask not what your country can do for you — ask what you can do for your country."</span>
