How I Know God Answers Prayer: The Personal Testimony of One Life-Time by Goforth

“It seems fitting that this little book of personal testimonies to answered prayer should have a brief introductory word as to how they came to be written. The question has been asked by some who read many of these testimonies as they appeared in the pages of The Sunday School Times: “How could you write such personal and sacred incidents in your life?” I could not have written them but for a very clear, God-given leading.
“The story is as follows: When in Canada on our first furloughs I was frequently amazed at the incredulity expressed when definite testimony was given to an answer to prayer. Sometimes this was shown by an expressive shrug of the shoulders, sometimes by a sudden silence or turning of the topic of conversation, and sometimes more openly by the query: “How do you know that it might not have happened so, anyway?”
“Gradually the impression deepened[…]” -Foreword