Unconditional war can no longer lead to unconditional victory. It can no longer serve to settle disputes… can no longer be of concern to great powers alone – John F. Kennedy

For time and the world do not stand still. Change is the law of life. And those who look only to the past or the present are certain to miss the future – John F. Kennedy

The cost of freedom is always high, but Americans have always paid it. And one path we shall never choose, and that is the path of surrender, or submission – John F. Kennedy

Victory has a thousand fathers, but defeat is an orphan – John F. Kennedy

The world is very different now. For man holds in his mortal hands the power to abolish all forms of human poverty, and all forms of human life – John F. Kennedy

As we express our gratitude, we must never forget that the highest appreciation is not to utter words, but to live by them – John F. Kennedy