n. 勤勉, 勤奋

[ noun ]
the quality of being constantly diligent and attentive
<noun.attribute>

Sedulity \Se*du"li*ty\, n. [L. sedulitas. See {Sedulous}.]
The quality or state of being sedulous; diligent and
assiduous application; constant attention; unremitting
industry; sedulousness.

The industrious bee, by his sedulity in summer, lives
in honey all the winter. --Feltham.