Leadership and learning are indispensable to each other – 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

Our problems are man-made, therefore they may be solved by man. And man can be as big as he wants. No problem of human destiny is beyond human beings – John F. Kennedy

A man may die, nations may rise and fall, but an idea lives on – John F. Kennedy

The time to repair the roof is when the sun is shining – John F. Kennedy

My fellow Americans, ask not what your country can do for you, ask what you can do for your country – John F. Kennedy