What makes ordinary people turn evil?

‘That was only a prelude; where they burn books, in the end it is people that they burn.”

When the German philosopher, poet and journalist Heinrich Heine wrote these words in 1823, he could not foresee the scale of the horror that would unfold little more than a century later.

“How could he have known?” says Dr George Foster (pictured right).

Dr Foster is looking at Heine’s quote written on the wall of the Sydney Jewish Museum.

He is a retired psychiatrist and president of the Australian