A Serious Call to a Devout and Holy Life teaches the nature, importance, and obligation of a Christian's devotion, relating it to our employment, possessions, and education, and describing how it aff ects our peace and happiness.

Acknowledging prayer is a vital part of devotion, Law offers insight for improving our rhythms of prayer and increasing the spirit of devotion—something we all desire but admittedly struggle to realize. He suggests using specific hours of the day to intentionally focus on different subjects, including humility, love, intercession, and conforming to the will of God.