"The future is not something to be predicted, but something to be created."

"The object of dialogue is not to conquer but to clarify, to make explicit, to make visible the implicit."

"The greatest tragedy of man is that he is born for freedom, but lives in chains."

"The educator's role is to help people come to see the world as a problem to be solved."

"The more I learn, the more I realize how much I don't know."