Those who dare to fail miserably can achieve greatly.

Those who dare to fail miserably can achieve greatly.

Victory has a hundred fathers, but failure is an orphan.

"I believe in human dignity as the source of national purpose, human liberty as the source of national action, the human heart as the source of national compassion, and in the human mind as the source of our invention and our ideas"

"I am sorry to say that there is too much point to the wisecrack that life is extinct on other planets because their scientists were more advanced than ours."

"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."

"Things do not happen. Things are made to happen."

"Mothers all want their sons to grow up to be president, but they don't want them to become politicians in the process."

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

"Forgive your enemies, but never forget their names."

"It might be said now that I have the best of both worlds. A Harvard education and a Yale degree."

"History is a relentless master. It has no present, only the past rushing into the future. To try to hold fast is to be swept aside."

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

"We would like to live as we once lived, but history will not permit it."

"Our growing softness, our increasing lack of physical fitness, is a menace to our security."

"Physical fitness is not only one of the most important keys to a healthy body, it is the basis of dynamic and creative intellectual activity."

"Neither the United States of America nor the world community of nations can toleratedeliberate deception and offensive threats on the part of any nation large or small. We nolonger live in a world where the actual firing of weapons represents a sufficient challenge toa nation's security to constitute maximum peril."

"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"

"America has tossed its cap over the wall of space."

"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."

"Our progress as a nation can be no swifter than our progress in education. The human mind is our fundamental resource."

"Our progress as a nation can be no swifter than our progress in education. The human mind is our fundamental resource."

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

"If scientific discovery has not been an unalloyed blessing, if it has conferred on mankind the power not only to create but also to annihilate, it has at the same time provided humanity with a supreme challenge and a supreme testing"

"Those who dare to fail miserably can achieve greatly."

"We are under exercised as a nation. We look instead of play. We ride instead of walk. Our existence deprives us of the minimum of physical activity essential for healthy living."

"True happiness is the full use of your powers along lines of excellence in a life affording scope."

"I'm an idealist without illusions."

"To state the facts frankly is not to despair the future nor indict the past. The prudent heir takes careful inventory of his legacies and gives a faithful accounting to those whom he owes an obligation of trust."

"The best road to progress is freedom's road."

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

"Sure it's a big job; but I don't know anyone who can do it better than I can."

"All free men, wherever they may live, are citizens of Berlin. And therefore, as a free man, I take pride in the words "Ich bin ein Berliner!"

"It might be said now that I have the best of both worlds: a Harvard education and a Yale degree."

"Let us never negotiate out of fear but let us never fear to negotiate."

"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."

"The great enemy of the truth is very often not the lie -- deliberate, contrived, and dishonest -- but the myth -- persistent, persuasive, and unrealistic."

"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."

"The energy, the faith, the devotion which we bring to this endeavor will light our country and all who serve it - and the glow from that fire can truly light the world"

"When written in Chinese, the word "crisis" is composed of two characters-one represents danger, and the other represents opportunity."

"The courage of life is often a less dramatic spectacle than the courage of the final moment; but it is no less a magnificent mixture of triumph and tragedy."

"Efforts and courage are not enough without purpose and direction."

"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."

"Geography has made us neighbors. History has made us friends. Economics has made us partners, and necessity has made us allies. Those whom God has so joined together, let no man put asunder."

"Economic growth without social progress lets the great majority of people remain in poverty, while a privileged few reap the benefits of rising abundance."

"I have just received the following wire from my generous Daddy. It says, ''Dear Jack: Don't buy a single vote more than is necessary. I'll be damned if I am going to pay for a landslide.''"

"You can always go into another business. I have never taken a picture of an accountant."

"The only unchangeable certainty is that nothing is certain or unchangeable"

"The New Frontier I speak of is not a set of promises -- it is a set of challenges. It sums up not what I intend to offer the American people, but what I intent to ask of them."