The subject which he liked best at that time was Christ's love to mankind: he no doubt intended to confute the extravagant opinions of the Gomarists.

He purposed also to write a Commentary on the Sermon on the mount.
Time seemed to pass very fast amidst these several projects.

December 15, 1619, he writes Vossius, that the Muses, which were always his delight, even when immersed in business, were now his consolation, and appeared more amiable than ever.

He wrote some short Notes on the New Testament: these he intended to send to Erpenius, who was projecting a new edition of it; but a fit of illness obliged him to lay them aside[103].

When he was able to resume his studies, he composed in Dutch verse his treatise _Of the Truth of the Christian Religion_, and sent it to Vossius; who thought some places of it obscure.