We must choose between the violence of adults and the smiles of children.

Never shall I forget the little faces of the children, whose bodies turned into wreaths of smoke beneath a silent blue sky.

I don't see the junk youth. I only meet students, and even those who are not formally at the university, if they come to listen to me, they come to read me, it means they are not junk students.

Questions outlive the answers.

If we want to know history, I would think there would be every reason to.

Young people want to learn, they are thirsty for knowledge, they want to understand and remember. The main thing is to teach them where not to go. Oppression, not to go; dictatorship, not to go; racism and prejudice, absolutely not to go. This is a moral plan [for society].

I am not so naïve as to believe that this slim volume will change the course of history or shake the conscience of the world. Books no longer have the power they once did. Those who kept silent yesterday will remain silent tomorrow.