Evangelium vitae takes up these principles in numbers 72-74. (Evangelium vitae sets out the teaching of St Augustine and of St Thomas Aquinas on unjust laws, and quotes the Declaration on Procured Abortion of the Congregation for the Doctrine of the Faith [18 November 1974], 22), adding in the final paragraph of number 73 that if it is not possible to repeal the law, there is a duty to try to less