"Sans logique" (English: "Without Logic") is a 1988 song recorded by French singer-songwriter Mylène Farmer. It was released on 20 February 1989 as the fourth and last single from her second studio album Ainsi soit je.... The song deals with schizophrenia, death, love and religion and was accompanied by a cinematic video which shows a human corrida. The single became a top ten hit in France. (wiki)