He was familiar with the writings of Nahmanides, Isaac Abravanel, and others, and while in Holland (probably at Amsterdam, where he was circumcised) he wrote in Spanish his "Apology of Judaism."
He knew the writings of Nahmanides, Isaac Abravanel, and other scholars. During his time in Holland (specifically at Amsterdam, where he underwent circumcision), he penned his "Apology of Judaism" in Spanish.