The Power Of The Spirit: With Additional Extracts From The Writings Of William Law (1896) - Paperbackby William Law (Author), Andrew Murray (Editor) The Power of the Spirit is a book written by William Law, originally published in 1758. This edition, published in 1896, includes additional extracts from Law's writings. The book is a Christian spiritual guide that explores the power of the Holy Spirit in the lives of believers. Law discusses the importance of living a life guided by the Spirit and how this can lead to a deeper understanding of God's