On the death of this general Descartes quitted the imperial service, and in July 1621 began a peaceful tour through Moravia, the borders of Poland, Pomerania, Brandenburg, Holstein and Friesland, from which he reappeared in February 1622 in Belgium, and betook himself directly to his father's home at Rennes in Brittany.
But the pupil soon found his teacher to be but a charlatan, and betook himself, aided by commentaries, to master logic, geometry and the Almagest.
Thus abandoned, and in disgrace at court, the duchess betook herself to religion.
This was the favourite shrine of Mary of Guise, who betook herself hither at momentous crises in her history.
Nicolas Bobadilla and Xavier betook themselves first to Monselice and thence to Bologna, where they remained till summoned to Rome by Ignatius at the close of 1538.