“ Francisco Sanchez, a Portuguese physician of Jewish parentage, born at Tuy (in the diocese of Braga) in 1550, took a degree in medicine at Montpellier in 1574, became professor of philosophy and physic at Toulouse, where he died in 1623; his ingenious treatise (Quod nihil scitur, 1581) marks the high-water of reaction against the dogmatism of his time; he is said to have been distantly related to Montaigne. (3) Tomás Sanchez of Cordova (1551–1610) , Jesuit and casuist, whose treatise De matrimonio (Genoa, 1592) is more notorious than celebrated. ”