When I want comfort food I buy Maltesers. I like all chocolates but especially those. You can eat them and because they're so light you can convince yourself that they are not actually that fattening.
In the post-enlightenment Europe of the 19th century the highest authority was no longer the Church. Instead it was science. Thus was born racial anti-Semitism based on two disciplines regarded as science in their day - the 'scientific study of race' and the Social Darwinism of Herbert Spencer and Ernst Haeckel.