Daily Catholic Quote — from St. Catherine of Siena Posted by ICL Editor | Jun 7, 2017 | Quote | St. Catherine of Siena, Virgin and Doctor of the Church “Sin arises simply from loving what God hates and hating what God loves.” (St. Catherine of Siena, Letter [T29] to Regina della Scala of Milan) The Memorial of St. Catherine of Siena, Virgin, Doctor of the Church (1347 – 1380) is April 29. Please share on social media. Print this entry