The different concepts of purity today

Jonathan Haidt is a moral psychologist who has been extremely helpful in explaining why people think about right and wrong in the way they do.

Comment Kirsten Birkett

One particularly useful insight of his was to point out that those who leaned to the liberal left tended to decide that things were morally wrong if they harmed people; conservative people would agree, but also tended to have a whole extra moral category – purity.