The Holocaust also shows us how a combination of events and attitudes can erode a society's democratic values.
I am not saying that factory farming is the same as the Holocaust or the slave trade, but it's clear that there is an immense amount of suffering in it, and just as we think that the Nazis were wrong to ignore the suffering of their victims, so we are wrong to ignore the sufferings of our victims.
I most sincerely wish that the world in which we live be free from the threat of a nuclear holocaust and from the ruinous arms race. It is my cherished desire that peace be not separated from freedom which is the right of every nation. This I desire and for this I pray.
My family kept its history to itself. On the plus side, I didn't have to hear nightmarish stories about the Holocaust, the pogroms, terrible illnesses, painful deaths. My elderly parents never even spoke about their ailments.
It is deeply shocking and incomprehensible to me that despite volumes of documentation and living witnesses who can attest to the horrors of the Holocaust, there are still those who would deny it.
The Holocaust, taken by itself, is a black hole. To look at it directly is to be swallowed up by it.
For while the threat of nuclear holocaust has been significantly reduced, the world remains a very unsettled and dangerous place.
The Holocaust illustrates the consequences of prejudice, racism and stereotyping on a society. It forces us to examine the responsibilities of citizenship and confront the powerful ramifications of indifference and inaction.
Jews survived all the defeats, expulsions, persecutions and pogroms, the centuries in which they were regarded as a pariah people, even the Holocaust itself, because they never gave up the faith that one day they would be free to live as Jews without fear.
The Holocaust story has been told and retold so many times.