“The problems of the world cannot possibly be solved by skeptics or cynics, whose horizons are limited by the obvious realities. We need men who can dream of things that never were, and ask why not.” https://t.co/ZYZvjzQjXb

“Modern economics, weaponry and communications have made us all realize more than ever that we are one human family and this one planet is our home.” https://t.co/ZYZvjzQjXb

“Freedom has many difficulties and democracy is not perfect, but we have never had to put a wall up to keep our people in, to prevent them from leaving us.” https://t.co/dAHMZAzYAH

"All free men are citizens of Berlin, and therefore, as a free man, I take pride in the words 'Ich bin ein Berliner!' https://t.co/dAHMZAzYAH

“[T]ime 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.” https://t.co/Vpt4wioRaa

“[U]nless liberty flourishes in all lands, it cannot flourish in one. Conceived in one hall, it must be carried out in many.” https://t.co/Vpt4wioRaa

“This Nation was founded by 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.” https://t.co/a2Z7AKBLYT

"The heart of the question is whether all Americans are to be afforded equal rights and equal opportunities; whether we are going to treat our fellow Americans as we want to be treated." https://t.co/a2Z7AKBLYT

“Our problems are manmade--therefore, they can be solved by man... No problem of human destiny is beyond human beings. Man's reason and spirit have often solved the seemingly unsolvable--and we believe they can do it again.” https://t.co/P58tRxX3DY

“World peace, like community peace, does not require that each man love his neighbor--it requires only that they live together in mutual tolerance, submitting their disputes to a just and peaceful settlement.” https://t.co/P58tRxX3DY

“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 future. And we are all mortal.” https://t.co/P58tRxX3DY

“I speak of peace, therefore, as the necessary rational end of rational men. I realize that the pursuit of peace is not as dramatic as the pursuit of war -- and frequently the words of the pursuer fall on deaf ears. But we have no more urgent task." https://t.co/P58tRxX3DY

"I'm delighted to approve the Equal Pay Act, which prohibits arbitrary discrimination against women in the payment of wages." https://t.co/S39E29tYT5

"The high courage and the supreme sacrifice of Americans who gave their lives in battle have made it possible for our land to flourish under freedom and justice." #MemorialDay

“World peace, like community peace, does not require that each man love his neighbor--it requires only that they live together in mutual tolerance, submitting their disputes to a just and peaceful settlement.” https://t.co/P58tRxX3DY

"Yes, we do live in a fantastically revolutionary era, but one of the biggest and most significant revolutions is the revolution of young people throughout the world, and the new frontiers which they are establishing." https://t.co/qsJQyHjrHE

"I want the United States to have the best educated citizens in the world. That's the way we maintain democracy; that's the way we keep our freedom... schools, colleges, well-trained teachers who are decently paid." #NationalTeachersDay https://t.co/y6a6jiWbIG

"And so it is to the printing press... that we look for strength and assistance, confident that with your help man will be what he was born to be: free and independent." #WorldPressFreedomDay https://t.co/7YzFnPSzKe

“Unless we increase today's investment in our forests, a future America will suffer enormous losses in wasted timber, barren forest land, and dwindling water supplies." #ArborDay https://t.co/nnDxX3h2gS

"The Earth can be an abundant mother to all of the people that will be born in the coming years if we learn to use her with skill and wisdom, to heal her wounds, replenish her vitality, and utilize her potentialities." #EarthDay https://t.co/moyyVbl4bN