In 1698 he was appointed to the University of Leiden as the successor of the younger Friedrich Spanheim.

His chief work is entitled The Economy of the Covenants between God and Man (originally published in Latin: De oeconomia foederum Dei cum hominibus, Leeuwarden, 1677).

He was induced to publish this work by his grief at the controversies between Voetians and Cocceians.

Although himself a member of the federalistic school, he was in no way blind to the value of the scholastically established dogmatic system of the Church.

[citation needed] In the end, he did not succeed in pleasing either party.