Even the highest forms of sacrificial worship present much that is repulsive to modern ideas, and in particular it requires an effort to reconcile our imagination to the bloody ritual which is prominent in almost every religion which has a strong sense of sin.

William Robertson Smith FRSE (8 November 1846 – 31 March 1894) was a Scottish orientalist Old Testament scholar professor of divinity and minister of the Free Church of Scotland. He was an editor of the Encyclopædia Britannica and contributor to the Encyclopaedia Biblica. He is also known for his book Religion of the Semites which is considered a foundational text in the comparative study of religion.