There are many people in the world who really don't understand-or say they don't-what is the great issue between the free world and the Communist world. Let them come to Berlin!
The goal of education is the advancement of knowledge and the dissemination of truth.
We are not afraid to entrust the American people with unpleasant facts, foreign ideas, alien philosophies, and competitive values. For a nation that is afraid to let its people judge the truth and falsehood in an open market is a nation that is afraid of its people.
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.
We stand today on the edge of a new frontier - the frontier of the 1960's - a frontier of unknown opportunities and perils - a frontier of unfulfilled hopes and threats.
America has tossed its cap over the wall of space.
Khrushchev reminds me of the tiger hunter who has picked a place on the wall to hang the tiger's skin long before he has caught the tiger. This tiger has other ideas.
The basic problems facing the world today are not susceptible to a military solution.
My fellow Americans, ask not what your country can do for you, ask what you can do for your country.
Israel was not created in order to disappear - Israel will endure and flourish. It is the child of hope and the home of the brave. It can neither be broken by adversity nor demoralized by success. It carries the shield of democracy and it honors the sword of freedom.
Mothers all want their sons to grow up to be president, but they don't want them to become politicians in the process.
The United States has to move very fast to even stand still.
The greater our knowledge increases the more our ignorance unfolds.
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.
In a very real sense, it will not be one man going to the moon it will be an entire nation. For all of us must work to put him there.
In the long history of the world, only a few generations have been granted the role of defending freedom in its hour of maximum danger. I do not shrink from this responsibility - I welcome it.
It might be said now that I have the best of both worlds. A Harvard education and a Yale degree.
Washington is a city of Southern efficiency and Northern charm.
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.
Those who dare to fail miserably can achieve greatly.
There are risks and costs to action. But they are far less than the long range risks of comfortable inaction.
Man is still the most extraordinary computer of all.
The ignorance of one voter in a democracy impairs the security of all.
The path we have chosen for the present is full of hazards, as all paths are. 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.
The great enemy of the truth is very often not the lie, deliberate, contrived and dishonest, but the myth, persistent, persuasive and unrealistic.
If art is to nourish the roots of our culture, society must set the artist free to follow his vision wherever it takes him.
I just received the following wire from my generous Daddy; Dear Jack, Don't buy a single vote more than is necessary. I'll be damned if I'm going to pay for a landslide.
No one has been barred on account of his race from fighting or dying for America, there are no white or colored signs on the foxholes or graveyards of battle.
A man does what he must - in spite of personal consequences, in spite of obstacles and dangers and pressures - and that is the basis of all human morality.