Sách nói: Clean Heart

"Much of the preaching and teaching of religion is in a theological dialect that is scarcely more intelligible to the people than a foreign language. Many pulpits need an interpreter as much as do the foreign missionaries among the heathen.
The attempt of the writer is to put the matter of full salvation in a simple, direct way, that all may see the simplicity of a subject that is sometimes “darkened with words".
It is an attempt to show that the experience of a clean heart is but the answer to a prayer that is both scriptural and reasonable. It is an attempt to furnish food for hungry souls...” (Excerpt from the Preface)