William Law 
Serious Call to a Devout and Holy Life [PDF ebook] 
John Wesley’s Abridgment

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 a? ects our peace and happiness. Acknowledging prayer is a vital part of devotion, Law o?ers 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 speci?c hours of the day to intentionally focus on di?erent subjects, including humility, love, intercession, and conforming to the will of God.