The Sure Foundation And How To Build On It is a book written by John De Witt in 1858. The book focuses on the importance of building a strong foundation in one's life, both spiritually and morally. De Witt argues that without a solid foundation, one's life will be unstable and prone to collapse. He discusses various ways to build this foundation, including the study of scripture, prayer, and the cultivation of virtues such as honesty, humility, and...