At this young age Jacobus already developed a profound liking of poetry, in which he found consolation.
Prominent Dutch poets of the time, like Joannes Antonides and Hubert Kornelisz.
A vicar recommended him to a local lyrical society, and later supported his application as a student of the clergy.
As a member he developed a theory in which looseness, truth and nature are essential conditions in any work of art.
Influenced by a popular poet, he developed a style of poetry that could be understood by common people, which also expressed his feelings of patriotism and independence.
In this period he left the poetical group in the Hague, and joined a similar circle in Utrecht.