“Our youth must always be free, discussing and exchanging ideas concerned with what is happening throughout the entire world.”

“It is always the teacher who must learn the most … or else nothing real has happened in the exchange.”

“If we are free to be our varietal selves; if there be no obstructions to the exchange of ideas and goods; if we have the liberty to move; society and”

“The difference between the right and the left is this: the left lives in the imaginary world, always discusses what it would like to happen the right, that is us, live in the real world, we look to see what can be done”

“Discussion is an exchange of knowledge; argument an exchange of ignorance.”

“It is our attitude toward free thought and free expression that will determine our fate. There must be no limit on the range of temperate discussion, no limits on thought. No subject must be taboo. No censor must preside at our assemblies. We need all the ingenuity we possess to avert the holocaust.”

“No man can be held throughout the day by what happens throughout the night. ”

“New efforts are needed if this Assembly's Declaration of Human Rights, now 15 years old, is to have full meaning. And new means should be found for promoting the free expression and trade of ideas — through travel and communication, and through increased exchanges of people, and books, and broadcasts. For as the world renounces the competition of weapons, competition in ideas must flourish — and that competition must be as full and as fair as possible.”

“Science needs the light of free expression to flourish. It depends on the fearless questioning of authority, and the open exchange of ideas.”

“There will always be voices who say that what happens in the wider world is not our concern, nor our responsibility. But we must never forget that we are heirs to a struggle for freedom. Our democracy, our individual opportunity only exists because those who came before us had the wisdom and the courage to recognize that our ideals will only endure if we see our self-interest in the success of other peoples and other nations.”