He wrote La Grande Monarchie de France as a supporter of the French crown, in the person of Louis XII.

In 1499, he became a counsellor to King Louis XII of France, and was charged with various embassies to Italy and England.

He is considered as one of the best examples of French political thinking in the early 16th century.

He thought the power wielded by the monarch was both controlled and balanced, being limited by religion, existing laws and justice.

[4][5][6] He also wrote on the Salic law, composed propaganda after the French victory over the Venetians, and worked as a translator of ancient historians, including Appianus of Alexandria.