Forgive your enemies, but never forget their names.

 ( 1917-1963)

One of the most popular Presidents of USÂ

Change is the law of life. And those who look only to the past or present are certain to miss the future.

Forgive your enemies, but never forget their names.

If we cannot end now our differences, at least we can help make the world safe for diversity.

Let us think of education as the means of developing our greatest abilities, because in each of us there is a private hope and dream which, fulfilled, can be translated into benefit for everyone and greater strength for our nation.

Liberty without learning is always in peril; learning without liberty is always in vain.

Our problems are man-made, therefore they may be solved by man. No problem of human destiny is beyond human beings.

   

So, let us not be blind to our differences - but let us also direct attention to our common interests and to the means by which those differences can be resolved.

   

The American, by nature, is optimistic. He is experimental, an inventor and a builder who builds best when called upon to build greatly.

The ancient Greek definition of happiness was the full use of your powers along lines of excellence.

   

The great enemy of the truth is very often not the lie -- deliberate, contrived and dishonest, but the myth, persistent, persuasive, and unrealistic. Belief in myths allows the comfort of opinion without the discomfort of thought.

The great French Marshall Lyautey once asked his gardener to plant a tree. The gardener objected that the tree was slow growing and would not reach maturity for 100 years. The Marshall replied, 'In that case, there is no time to lose; plant it this afternoon!'

   

The time to repair the roof is when the sun is shining.

There are risks and costs to a program of action. But they are far less than the long-range risks and costs of comfortable inaction.

   

Washington is a city of Southern efficiency and Northern charm.

We must use time as a tool, not as a crutch.

We set sail on this new sea because there is knowledge to be gained.

We stand for freedom. That is our conviction for ourselves; that is our only commitment to others.

   

When we got into office, the thing that surprised me the most was that things were as bad as we'd been saying they were.

The men who create power make an indispensable contribution to the Nation’s greatness, but the men who question power make a contribution just as indispensable, especially when that questioning is disinterested, for they determine whether we use power or power uses us.

     

Before my term has ended, we shall have to test anew whether a nation organized and governed such as ours can endure. The outcome is by no means certain.

     

Probably the greatest concentration of talent and genius in this house except for perhaps those times when Thomas Jefferson ate alone.

Those who make peaceful revolution impossible will make violent revolution inevitable.

And so, my fellow Americans: ask not what your country can do for you - ask what you can do for your country. My fellow citizens of the world: ask not what America will do for you, but what together we can do for the freedom of man.

If a free society cannot help the many who are poor, it cannot save the few who are rich.

Let every nation know, whether it wishes us well or ill, that we shall pay any price, bear any burden, meet any hardship, support any friend, oppose any foe to assure the survival and the success of liberty.

   

Let us never negotiate out of fear. But let us never fear to negotiate.

Now the trumpet summons us again not as a call to bear arms, though arms we need; not as a call to battle, though embattled we are but a call to bear the burden of a long twilight struggle, year in and year out, "rejoicing in hope, patient in tribulation" a struggle against the common enemies of man: tyranny, poverty, disease, and war itself.

We must never forget that art is not a form of propaganda; it is a form of truth.

This nation was founded by many men of many nations and backgrounds. It was founded on the principle that all men are created equal, and that the rights of every man are diminished when the rights of one man are threatened.

   

I look foreword to an America which will not be afraid of grace and beauty.

For in the final analysis, our most basic common link, is that we all inhabit this small planet, we all breathe the same air, we all cherish our children's futures, and we are all mortal.

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.

The ignorance of one voter in a democracy impairs the security of all.

All of us have in our veins the exact same percentage of salt in our blood that exists in the ocean, and, therefore, we have salt in our blood, in our sweat, in our tears. We are tied to the ocean. And when we go back to the sea -- whether it is to sail or to watch it -- we are going back from whence we came.

We need men who can dream of things that never were.

The Chinese use two brush strokes to write the word 'crisis.' One brush stroke stands for danger; the other for opportunity. In a crisis, be aware of the danger - but recognize the opportunity.

Leadership and learning are indispensable to each other.

Mankind must put an end to war or war will put an end to mankind.