Original en inglés: «Reason must know the heart's reasons and every other reason».
Fuente: Anthology of Black Humour. Editor André Breton. Traducido por Mark Polizzotti. Saqi, 2014. ISBN 9781846591983. 415 páginas. https://books.google.es/books?id=8C8hBQAAQBAJ&pg=PT236&dq=Reason+must+know+the+heart%27s+reasons+and+every+other+reason.+Leonora+Carrington&hl=es&sa=X&ved=0ahUKEwjIsO3zheThAhVvA2MBHU96AXEQ6AEIKzAA#v=onepage&q=Reason%20must%20know%20the%20heart's%20reasons%20and%20every%20other%20reason.%20Leonora%20Carrington&f=false
Fuente: Anthology of Black Humour. Editor André Breton. Traducido por Mark Polizzotti. Saqi, 2014. ISBN 9781846591983. 415 páginas. https://books.google.es/books?id=8C8hBQAAQBAJ&pg=PT236&dq=Reason+must+know+the+heart%27s+reasons+and+every+other+reason.+Leonora+Carrington&hl=es&sa=X&ved=0ahUKEwjIsO3zheThAhVvA2MBHU96AXEQ6AEIKzAA#v=onepage&q=Reason%20must%20know%20the%20heart's%20reasons%20and%20every%20other%20reason.%20Leonora%20Carrington&f=false