"The true test of civilization is not the census, nor the size of cities, but the kind of man the country turns out."
"History does not repeat itself, but it often rhymes."
History
"The twentieth century will be remembered chiefly, not as an age of political conflicts or technical inventions, but as an age in which human society dared to think of the welfare of the whole human race as a practicable objective."
Hope
"We are not going to be able to operate our spaceship Earth successfully nor make our round-the-world laws work unless we recognize that it is a unity and that it has a whole system of laws."
Wisdom
"The greatest discovery of all time is that a person can change his future by merely changing his attitude."
Change
"Civilization is a movement and not a condition, a voyage and not a harbor."
"Our children may learn about the heroes of the past. Our task is to make ourselves the architects of the future."
Leadership
"The human race's prospects of survival were considerably better when we were defenceless against tigers than they are today when we have become armoured with nuclear weapons."
Peace
"The only true social revolution is education."
Education
"Man's inhumanity to man is not the exception; it is the rule."
"In every life, there is a turning point."
Life
"The moon's an arrant thief and her pale fire she snatches from the sun."
Nature
"Technology is a gift of God. After the gift of life it is perhaps the greatest of God's gifts."
Technology
"The only institution that can really count on the public's confidence is one that has earned it."
"I myself have always been far more interested in the future than in the past."
Hope
"Apathy can be overcome by enthusiasm, and enthusiasm can only be aroused by two things: first, an ideal, which takes imagination and second, a conviction of how to serve it."
Motivation
"Life is like riding a bicycle. To keep your balance, you must keep moving."
Perseverance
"The question we have to face is not whether individuals should be free to pursue happiness. It is whether mankind is going to be happy in the way that it pursues happiness."
Happiness
"A true leader has the confidence to stand alone, the courage to make tough decisions, and the compassion to listen to the needs of others."
Leadership
"Human nature is not evil by nature; it is only made evil by circumstances."
"The only way out is through."
Courage
"The choice between going forward and backward has to be made now; there is no standing still."
Change
"If we are to live together peacefully and productively, we must learn to respect each other's rights and differences."
Peace
"Art is the effort of man to express not his relationship to nature, but his relationship to his Deity."
Art
"Science is the attempt to make the chaotic diversity of our sense-experience correspond to some kind of unified body of thought."
Science
"Death is not the end; it is simply a transition from one state of existence to another."
Death
"The greatest weakness of all is to surrender. Second to that is to say it is impossible."
Strength
"Forgiveness is the key that unlocks the door to freedom and peace."
"Knowledge is power, but only if it is used wisely and compassionately."
Knowledge
"We are what we repeatedly do. Excellence, then, is not an act, but a habit."
Success