"Keeping the Heart" is a Puritan writing by John Flavel (1630-1691). Originally it was entitled 'A Saint Indeed'. This book gives an extensive treatment of Proverbs 4:23, "Keep thy heart, for out of it flow the issues of life." Flavel looks at what it is to keep the heart, how the heart is to be kept, and why keeping the heart is the great business of every person. A helpful study guide makes this book suitable for study by individuals or groups.