"What's truly horrifying reading through the diaries of those who lived through the events is the almost total absence of horror," says Lord Sacks, Chief Rabbi of the United Hebrew Congregations of the Commonwealth, in a recorded message for Holocaust Remembrance Day.

"One day in 1933, all Jewish lawyers in Germany were dismissed. Nothing was said. Jews came into the offices. Some of them had worked in them for as long as their adult lives and they removed their belongings and they left. No one said anything.

"Then it happened to Jewish academics. Then, to Jewish doctors. No public protest. As little by little, an entire class of humanity was turned in to non-persons..."

"... and so it goes on today, in Darfur and far too many other places today, where being the wrong color or ethnicity or religion or tribe deprives you of the most basic human right, to live in freedom without fear. There is still all too little protest."