His pontificate was marked by protracted controversies with France and Portugal.
For full accounts of the battle, with copious references to authorities and to ancient controversies, mostly arising out of the conduct of Doria, see Sir W.
Henderson's own works are chiefly contributions to current controversies, speeches and sermons.
On the other hand, he took a lively part in the politico-religious controversies within the fold of Prussian Protestantism.
The time thus spent seems to have been on the whole happy, even allowing for warm discussions with the mathematicians and metaphysicians of France, and for harassing controversies in the Netherlands.