Heart Life is a book written by Theodore Ledyard Cuyler and published in 1872. The book is a collection of essays and sermons that explore the Christian concept of the heart as the center of one's spiritual life. Cuyler delves into the importance of having a pure and faithful heart, and how it can lead to a fulfilling and meaningful life. He also discusses the dangers of having a hardened or corrupted heart, and how it can lead to spiritual decay...