Both these must have been acquired during his studies in Europe but no record exists to show where he studied, although the University of Paris is highly likely and it is also probable that he spent some time in Italy and the Netherlands.
Pareho ang mga ito ay dapat ay nakuha sa panahon ng kanyang pag-aaral sa Europa ngunit walang record na upang ipakita kung saan siya-aral, kahit na ang University of Paris ay mataas ang posibilidad at ito rin ay malamang na siya ng ilang oras na ginugol sa Italya at sa Netherlands.