Whatever we thought was certain is no longer certain, and therefore in science probably certain things must be correct, but in human behaviour I am not so sure.

What all these victims need above all is to know that they are not alone; that we are not forgetting them, that when their voices are stifled we shall lend them ours, that while their freedome depends on ours, the quality of our freedom depends on theirs.

Those who kept silent yesterday will remain silent tomorrow.

Man, by definition, is born a stranger: coming from nowhere, he is thrust into an alien world which existed before him-a world which didn't need him. And which will survive him.

This is the duty of our generation as we enter the twenty-first century - solidarity with the weak, the persecuted, the lonely, the sick, and those in despair. It is expressed by the desire to give a noble and humanizing meaning to a community in which all members will define themselves not by their own identity but by that of others.

Love makes everything complicated.

Judaism is in a sense a Rabbinic, Talmudic religion, rather than a Biblical religion.